68968511 has 2 divisors, whose sum is σ = 68968512. Its totient is φ = 68968510.

The previous prime is 68968483. The next prime is 68968553. The reversal of 68968511 is 11586986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68968511 - 2²² = 64774207 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68968561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34484255 + 34484256.

It is an arithmetic number, because the mean of its divisors is an integer number (34484256).

Almost surely, 2^68968511 is an apocalyptic number.

68968511 is a deficient number, since it is larger than the sum of its proper divisors (1).

68968511 is an equidigital number, since it uses as much as digits as its factorization.

68968511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 44.

The square root of 68968511 is about 8304.7282315558. The cubic root of 68968511 is about 410.0941901386.

The spelling of 68968511 in words is "sixty-eight million, nine hundred sixty-eight thousand, five hundred eleven".