864772976 has 20 divisors (see below), whose sum is σ = 1682695872. Its totient is φ = 430528896.

The previous prime is 864772969. The next prime is 864772981. The reversal of 864772976 is 679277468.

864772976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112256 + ... + 119711.

Almost surely, 2^864772976 is an apocalyptic number.

It is an amenable number.

864772976 is a deficient number, since it is larger than the sum of its proper divisors (817922896).

864772976 is a wasteful number, since it uses less digits than its factorization.

864772976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232208 (or 232202 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 56.

The square root of 864772976 is about 29407.0225626465. The cubic root of 864772976 is about 952.7245796021.

The spelling of 864772976 in words is "eight hundred sixty-four million, seven hundred seventy-two thousand, nine hundred seventy-six".