508866864 has 40 divisors (see below), whose sum is σ = 1434080832. Its totient is φ = 154201920.

The previous prime is 508866863. The next prime is 508866893. The reversal of 508866864 is 468668805.

It is not an unprimeable number, because it can be changed into a prime (508866863) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 481354 + ... + 482409.

Almost surely, 2^508866864 is an apocalyptic number.

It is an amenable number.

508866864 is an abundant number, since it is smaller than the sum of its proper divisors (925213968).

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

508866864 is a wasteful number, since it uses less digits than its factorization.

508866864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963785 (or 963779 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The square root of 508866864 is about 22558.0775776661. The cubic root of 508866864 is about 798.3648183367.

The spelling of 508866864 in words is "five hundred eight million, eight hundred sixty-six thousand, eight hundred sixty-four".