57147767128 has 32 divisors (see below), whose sum is σ = 107734863600. Its totient is φ = 28418890752.

The previous prime is 57147767113. The next prime is 57147767141. The reversal of 57147767128 is 82176774175.

57147767128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57147767128² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1076751 + ... + 1128577.

Almost surely, 2^57147767128 is an apocalyptic number.

It is an amenable number.

57147767128 is a deficient number, since it is larger than the sum of its proper divisors (50587096472).

57147767128 is a wasteful number, since it uses less digits than its factorization.

57147767128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52579 (or 52575 counting only the distinct ones).

The product of its digits is 4609920, while the sum is 55.

The spelling of 57147767128 in words is "fifty-seven billion, one hundred forty-seven million, seven hundred sixty-seven thousand, one hundred twenty-eight".