512878864 has 20 divisors (see below), whose sum is σ = 1000856080. Its totient is φ = 254593440.

The previous prime is 512878819. The next prime is 512878879. The reversal of 512878864 is 468878215.

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, 113082 + ... + 117529.

It is an arithmetic number, because the mean of its divisors is an integer number (50042804).

Almost surely, 2^512878864 is an apocalyptic number.

It is an amenable number.

512878864 is a deficient number, since it is larger than the sum of its proper divisors (487977216).

512878864 is a wasteful number, since it uses less digits than its factorization.

512878864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230758 (or 230752 counting only the distinct ones).

The product of its digits is 860160, while the sum is 49.

The square root of 512878864 is about 22646.8290054038. The cubic root of 512878864 is about 800.4574800069.

The spelling of 512878864 in words is "five hundred twelve million, eight hundred seventy-eight thousand, eight hundred sixty-four".