57631274837 has 4 divisors (see below), whose sum is σ = 57663708396. Its totient is φ = 57598841280.

The previous prime is 57631274821. The next prime is 57631274843. The reversal of 57631274837 is 73847213675.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16830910756 + 40800364081 = 129734^2 + 201991^2 .

It is a cyclic number.

It is not a de Polignac number, because 57631274837 - 2⁴ = 57631274821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57631244837) 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, 16214114 + ... + 16217667.

It is an arithmetic number, because the mean of its divisors is an integer number (14415927099).

Almost surely, 2^57631274837 is an apocalyptic number.

It is an amenable number.

57631274837 is a deficient number, since it is larger than the sum of its proper divisors (32433559).

57631274837 is a wasteful number, since it uses less digits than its factorization.

57631274837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32433558.

The product of its digits is 5927040, while the sum is 53.

The spelling of 57631274837 in words is "fifty-seven billion, six hundred thirty-one million, two hundred seventy-four thousand, eight hundred thirty-seven".