977

This number is a prime.

The sum of the letters of "nine hundred and seventy-seven" is an adjacent prime to 977 if we use the alphaprime code. It is left for the prime curiologist to find if the adjacent prime occurs before or after 977. [Hunnell]

In the movie Harvey, Dr. Sanderson prescribes "Formula 977" to Elwood P. Dowd (James Stewart). [La Haye]

The first prime that results in a cube number if added to the sum of its digits. [Bopardikar]

The smallest number whose sum of digits is composite but sum of cubes of its digits is prime. [Gudipati]

Episode 977 of the Vietnam Veteran News provided a sneak preview of the colossal documentary 'The Vietnam War' directed by Ken Burns and Lynn Novick. Curiously, Vietnam was divided in two in 1954. Note that 1954 divided by two is 977. [Russell]

Iran carried out at least 977 executions in 2015, according to an Amnesty Report.

The 977th distinct-digit number divides the sum of the first 977 distinct-digit numbers. [Gaydos]

The highest prime number currently used by a country as a calling code (Nepal 977). [Prisacariu]