68796691 has 2 divisors, whose sum is σ = 68796692. Its totient is φ = 68796690.

The previous prime is 68796677. The next prime is 68796697. The reversal of 68796691 is 19669786.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68796691 - 2⁵ = 68796659 is a prime.

It is not a weakly prime, because it can be changed into another prime (68796697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34398345 + 34398346.

It is an arithmetic number, because the mean of its divisors is an integer number (34398346).

Almost surely, 2^68796691 is an apocalyptic number.

68796691 is a deficient number, since it is larger than the sum of its proper divisors (1).

68796691 is an equidigital number, since it uses as much as digits as its factorization.

68796691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 52.

The square root of 68796691 is about 8294.3770712453. The cubic root of 68796691 is about 409.7533535368.

The spelling of 68796691 in words is "sixty-eight million, seven hundred ninety-six thousand, six hundred ninety-one".