509880924868 has 12 divisors (see below), whose sum is σ = 1019761849792. Its totient is φ = 218520396360.

The previous prime is 509880924851. The next prime is 509880924929. The reversal of 509880924868 is 868429088905.

509880924868 is an admirable number.

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, 9105016488 + ... + 9105016543.

Almost surely, 2^509880924868 is an apocalyptic number.

It is an amenable number.

509880924868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

509880924868 is a wasteful number, since it uses less digits than its factorization.

509880924868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18210033042 (or 18210033040 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 67.

The spelling of 509880924868 in words is "five hundred nine billion, eight hundred eighty million, nine hundred twenty-four thousand, eight hundred sixty-eight".