57407951977 has 4 divisors (see below), whose sum is σ = 57410242560. Its totient is φ = 57405661396.

The previous prime is 57407951963. The next prime is 57407951981. The reversal of 57407951977 is 77915970475.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57407951977 - 2²⁷ = 57273734249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57407951947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107277 + ... + 1157962.

It is an arithmetic number, because the mean of its divisors is an integer number (14352560640).

Almost surely, 2^57407951977 is an apocalyptic number.

It is an amenable number.

57407951977 is a deficient number, since it is larger than the sum of its proper divisors (2290583).

57407951977 is a wasteful number, since it uses less digits than its factorization.

57407951977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290582.

The product of its (nonzero) digits is 19448100, while the sum is 61.

The spelling of 57407951977 in words is "fifty-seven billion, four hundred seven million, nine hundred fifty-one thousand, nine hundred seventy-seven".