76772856 has 32 divisors (see below), whose sum is σ = 192677760. Its totient is φ = 25491552.

The previous prime is 76772849. The next prime is 76772903. The reversal of 76772856 is 65827767.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231 + ... + 12393.

It is an arithmetic number, because the mean of its divisors is an integer number (6021180).

Almost surely, 2^76772856 is an apocalyptic number.

It is an amenable number.

76772856 is an abundant number, since it is smaller than the sum of its proper divisors (115904904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76772856 is a wasteful number, since it uses less digits than its factorization.

76772856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12435 (or 12431 counting only the distinct ones).

The product of its digits is 987840, while the sum is 48.

The square root of 76772856 is about 8762.0120976862. The cubic root of 76772856 is about 425.0133439870.

The spelling of 76772856 in words is "seventy-six million, seven hundred seventy-two thousand, eight hundred fifty-six".