99999...99999 (87-digits)

This number is a prime.

9999999 9999999999
9999999999 9999999999 9999991999 9999999999 9999999999 9999999999 9999999999

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The largest palindromic wing prime less than a googol, containing 9's. [Loungrides]

Submitted: 2009-03-21 07:55:21; Last Modified: 2014-07-22 23:43:08.