57747071972 has 24 divisors (see below), whose sum is σ = 101571993600. Its totient is φ = 28726721856.

The previous prime is 57747071951. The next prime is 57747072037. The reversal of 57747071972 is 27917074775.

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, 1052573 + ... + 1106075.

It is an arithmetic number, because the mean of its divisors is an integer number (4232166400).

Almost surely, 2^57747071972 is an apocalyptic number.

It is an amenable number.

57747071972 is a deficient number, since it is larger than the sum of its proper divisors (43824921628).

57747071972 is a wasteful number, since it uses less digits than its factorization.

57747071972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54875 (or 54873 counting only the distinct ones).

The product of its (nonzero) digits is 6050520, while the sum is 56.

The spelling of 57747071972 in words is "fifty-seven billion, seven hundred forty-seven million, seventy-one thousand, nine hundred seventy-two".