68845867 has 2 divisors, whose sum is σ = 68845868. Its totient is φ = 68845866.

The previous prime is 68845859. The next prime is 68845879. The reversal of 68845867 is 76854886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68845867 - 2³ = 68845859 is a prime.

It is not a weakly prime, because it can be changed into another prime (68845837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34422933 + 34422934.

It is an arithmetic number, because the mean of its divisors is an integer number (34422934).

Almost surely, 2^68845867 is an apocalyptic number.

68845867 is a deficient number, since it is larger than the sum of its proper divisors (1).

68845867 is an equidigital number, since it uses as much as digits as its factorization.

68845867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 52.

The square root of 68845867 is about 8297.3409596087. The cubic root of 68845867 is about 409.8509610982.

The spelling of 68845867 in words is "sixty-eight million, eight hundred forty-five thousand, eight hundred sixty-seven".