3957586512 has 40 divisors (see below), whose sum is σ = 11153199840. Its totient is φ = 1199268480.

The previous prime is 3957586447. The next prime is 3957586537. The reversal of 3957586512 is 2156857593.

It is a happy number.

It is a super-2 number, since 2×3957586512² = 31324981999928652288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 3747187 + ... + 3748242.

It is an arithmetic number, because the mean of its divisors is an integer number (278829996).

Almost surely, 2^3957586512 is an apocalyptic number.

It is an amenable number.

3957586512 is an abundant number, since it is smaller than the sum of its proper divisors (7195613328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3957586512 is a wasteful number, since it uses less digits than its factorization.

3957586512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7495451 (or 7495445 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 51.

The square root of 3957586512 is about 62909.3515464911. The cubic root of 3957586512 is about 1581.7705025997.

The spelling of 3957586512 in words is "three billion, nine hundred fifty-seven million, five hundred eighty-six thousand, five hundred twelve".