57871537816 has 32 divisors (see below), whose sum is σ = 110124565200. Its totient is φ = 28505917440.

The previous prime is 57871537813. The next prime is 57871537849. The reversal of 57871537816 is 61873517875.

It is a super-2 number, since 2×57871537816² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57871537811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443976 + ... + 559336.

Almost surely, 2^57871537816 is an apocalyptic number.

It is an amenable number.

57871537816 is a deficient number, since it is larger than the sum of its proper divisors (52253027384).

57871537816 is a wasteful number, since it uses less digits than its factorization.

57871537816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116299 (or 116295 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 58.

The spelling of 57871537816 in words is "fifty-seven billion, eight hundred seventy-one million, five hundred thirty-seven thousand, eight hundred sixteen".