76785868 has 12 divisors (see below), whose sum is σ = 140217840. Its totient is φ = 36723632.

The previous prime is 76785829. The next prime is 76785871. The reversal of 76785868 is 86858767.

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, 417223 + ... + 417406.

It is an arithmetic number, because the mean of its divisors is an integer number (11684820).

Almost surely, 2^76785868 is an apocalyptic number.

It is an amenable number.

76785868 is a deficient number, since it is larger than the sum of its proper divisors (63431972).

76785868 is a wasteful number, since it uses less digits than its factorization.

76785868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834656 (or 834654 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 55.

The square root of 76785868 is about 8762.7545897395. The cubic root of 76785868 is about 425.0373540409.

The spelling of 76785868 in words is "seventy-six million, seven hundred eighty-five thousand, eight hundred sixty-eight".