76864856 has 16 divisors (see below), whose sum is σ = 144513600. Its totient is φ = 38327904.

The previous prime is 76864831. The next prime is 76864901. The reversal of 76864856 is 65846867.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9896 + ... + 15863.

It is an arithmetic number, because the mean of its divisors is an integer number (9032100).

Almost surely, 2^76864856 is an apocalyptic number.

It is an amenable number.

76864856 is a deficient number, since it is larger than the sum of its proper divisors (67648744).

76864856 is a wasteful number, since it uses less digits than its factorization.

76864856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26138 (or 26134 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 76864856 is about 8767.2604615125. The cubic root of 76864856 is about 425.1830464106.

The spelling of 76864856 in words is "seventy-six million, eight hundred sixty-four thousand, eight hundred fifty-six".