57156970888 has 8 divisors (see below), whose sum is σ = 107169320430. Its totient is φ = 28578485440.

The previous prime is 57156970877. The next prime is 57156970891. The reversal of 57156970888 is 88807965175.

It can be written as a sum of positive squares in only one way, i.e., 56226842884 + 930128004 = 237122^2 + 30498^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572310673 + ... + 3572310688.

Almost surely, 2^57156970888 is an apocalyptic number.

It is an amenable number.

57156970888 is a deficient number, since it is larger than the sum of its proper divisors (50012349542).

57156970888 is a wasteful number, since it uses less digits than its factorization.

57156970888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7144621367 (or 7144621363 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 64.

The spelling of 57156970888 in words is "fifty-seven billion, one hundred fifty-six million, nine hundred seventy thousand, eight hundred eighty-eight".