57811885968 has 40 divisors (see below), whose sum is σ = 149445622368. Its totient is φ = 19257951232.

The previous prime is 57811885919. The next prime is 57811885973. The reversal of 57811885968 is 86958811875.

It is a junction number, because it is equal to n+sod(n) for n = 57811885899 and 57811885908.

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, 322305 + ... + 468512.

Almost surely, 2^57811885968 is an apocalyptic number.

It is an amenable number.

57811885968 is an abundant number, since it is smaller than the sum of its proper divisors (91633736400).

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

57811885968 is a wasteful number, since it uses less digits than its factorization.

57811885968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792351 (or 792345 counting only the distinct ones).

The product of its digits is 38707200, while the sum is 66.

The spelling of 57811885968 in words is "fifty-seven billion, eight hundred eleven million, eight hundred eighty-five thousand, nine hundred sixty-eight".