80763...21877 (34-digits)

This number is a prime.

                                       8076 3455989690 3856318285 8894921877

The largest of three non-titanic primes that can be represented as the product of a repdigit number consisting of 5's, i.e., 55555555, with all of its truncations plus 2, i.e., 55555555*5555555*555555*55555*5555*555*55*5+2. [Loungrides]