76656868 has 24 divisors (see below), whose sum is σ = 143881920. Its totient is φ = 35624160.

The previous prime is 76656851. The next prime is 76656901. The reversal of 76656868 is 86865667.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5488 + ... + 13543.

It is an arithmetic number, because the mean of its divisors is an integer number (5995080).

Almost surely, 2^76656868 is an apocalyptic number.

It is an amenable number.

76656868 is a deficient number, since it is larger than the sum of its proper divisors (67225052).

76656868 is a wasteful number, since it uses less digits than its factorization.

76656868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19107 (or 19105 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 76656868 is about 8755.3907965322. The cubic root of 76656868 is about 424.7992001834.

The spelling of 76656868 in words is "seventy-six million, six hundred fifty-six thousand, eight hundred sixty-eight".