76568865 has 16 divisors (see below), whose sum is σ = 123336000. Its totient is φ = 40561472.

The previous prime is 76568857. The next prime is 76568881. The reversal of 76568865 is 56886567.

It is a cyclic number.

It is not a de Polignac number, because 76568865 - 2³ = 76568857 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14895 + ... + 19364.

It is an arithmetic number, because the mean of its divisors is an integer number (7708500).

Almost surely, 2^76568865 is an apocalyptic number.

It is an amenable number.

76568865 is a deficient number, since it is larger than the sum of its proper divisors (46767135).

76568865 is a wasteful number, since it uses less digits than its factorization.

76568865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34416.

The product of its digits is 2419200, while the sum is 51.

The square root of 76568865 is about 8750.3637067267. The cubic root of 76568865 is about 424.6365797523.

The spelling of 76568865 in words is "seventy-six million, five hundred sixty-eight thousand, eight hundred sixty-five".