57649675977 has 72 divisors (see below), whose sum is σ = 88493776800. Its totient is φ = 36143936640.

The previous prime is 57649675961. The next prime is 57649675981. The reversal of 57649675977 is 77957694675.

It is a happy number.

57649675977 is a `hidden beast` number, since 576 + 49 + 6 + 7 + 5 + 9 + 7 + 7 = 666.

57649675977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57649675977 - 2⁴ = 57649675961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57649677977) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 140952549 + ... + 140952957.

Almost surely, 2^57649675977 is an apocalyptic number.

It is an amenable number.

57649675977 is a deficient number, since it is larger than the sum of its proper divisors (30844100823).

57649675977 is a wasteful number, since it uses less digits than its factorization.

57649675977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 865 counting only the distinct ones).

The product of its digits is 700131600, while the sum is 72.

The spelling of 57649675977 in words is "fifty-seven billion, six hundred forty-nine million, six hundred seventy-five thousand, nine hundred seventy-seven".