68397311 has 2 divisors, whose sum is σ = 68397312. Its totient is φ = 68397310.

The previous prime is 68397299. The next prime is 68397323. The reversal of 68397311 is 11379386.

It is a balanced prime because it is at equal distance from previous prime (68397299) and next prime (68397323).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68397311 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 (68397011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34198655 + 34198656.

It is an arithmetic number, because the mean of its divisors is an integer number (34198656).

Almost surely, 2^68397311 is an apocalyptic number.

68397311 is a deficient number, since it is larger than the sum of its proper divisors (1).

68397311 is an equidigital number, since it uses as much as digits as its factorization.

68397311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 68397311 is about 8270.2666825200. The cubic root of 68397311 is about 408.9589113100.

The spelling of 68397311 in words is "sixty-eight million, three hundred ninety-seven thousand, three hundred eleven".