77777...77777 (283-digits)

This number is a prime.

                                                                         777
7777777777 7777777777 7777777777 7777777777 7777777777 7777777777 7777777777
7777777777 7777777777 7777777777 7777777777 7777777777 7777777777 7777777222
7777777777 7777777777 7777777777 7777777777 7777777777 7777777777 7777777777
7777777777 7777777777 7777777777 7777777777 7777777777 7777777777 7777777777

+ The smallest special wing prime with central number 222, greater than a googol. [Loungrides]

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