87189...65629 (116-digits)

This number is a prime.

                          871896 4248596095 8202911070 5858607716 9696407240
4731750085 5252194379 9096709372 3439943475 5499068316 8311679105 5225665629

This prime can be expressed as 3^3^3^3^3^3+2. [Patterson]