3957877431 has 16 divisors (see below), whose sum is σ = 5885330400. Its totient is φ = 2628771264.

The previous prime is 3957877411. The next prime is 3957877433. The reversal of 3957877431 is 1347787593.

3957877431 is a `hidden beast` number, since 39 + 578 + 7 + 7 + 4 + 31 = 666.

It is not a de Polignac number, because 3957877431 - 2¹³ = 3957869239 is a prime.

It is a super-2 number, since 2×3957877431² = 31329587517638319522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3957877433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265206 + ... + 279731.

It is an arithmetic number, because the mean of its divisors is an integer number (367833150).

Almost surely, 2^3957877431 is an apocalyptic number.

3957877431 is a deficient number, since it is larger than the sum of its proper divisors (1927452969).

3957877431 is a wasteful number, since it uses less digits than its factorization.

3957877431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545215 (or 545209 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 54.

The square root of 3957877431 is about 62911.6637119064. The cubic root of 3957877431 is about 1581.8092598756.

The spelling of 3957877431 in words is "three billion, nine hundred fifty-seven million, eight hundred seventy-seven thousand, four hundred thirty-one".