3957158931 has 8 divisors (see below), whose sum is σ = 5755867584. Its totient is φ = 2398278120.

The previous prime is 3957158927. The next prime is 3957158939. The reversal of 3957158931 is 1398517593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3957158931 - 2² = 3957158927 is a prime.

It is a super-2 number, since 2×3957158931² = 31318213610386125522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3957158939) 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, 59956921 + ... + 59956986.

It is an arithmetic number, because the mean of its divisors is an integer number (719483448).

Almost surely, 2^3957158931 is an apocalyptic number.

3957158931 is a deficient number, since it is larger than the sum of its proper divisors (1798708653).

3957158931 is a wasteful number, since it uses less digits than its factorization.

3957158931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119913921.

The product of its digits is 1020600, while the sum is 51.

The square root of 3957158931 is about 62905.9530648730. The cubic root of 3957158931 is about 1581.7135352729.

The spelling of 3957158931 in words is "three billion, nine hundred fifty-seven million, one hundred fifty-eight thousand, nine hundred thirty-one".