3957700864 has 36 divisors (see below), whose sum is σ = 8507636956. Its totient is φ = 1826629632.

The previous prime is 3957700829. The next prime is 3957700871. The reversal of 3957700864 is 4680077593.

It is a happy number.

3957700864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 332697600 + 3625003264 = 18240^2 + 60208^2 .

It is a super-2 number, since 2×3957700864² = 31326792257812692992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591279 + ... + 597934.

Almost surely, 2^3957700864 is an apocalyptic number.

It is an amenable number.

3957700864 is an abundant number, since it is smaller than the sum of its proper divisors (4549936092).

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

3957700864 is a wasteful number, since it uses less digits than its factorization.

3957700864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189242 (or 1189228 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 3957700864 is about 62910.2604032124. The cubic root of 3957700864 is about 1581.7857372111.

The spelling of 3957700864 in words is "three billion, nine hundred fifty-seven million, seven hundred thousand, eight hundred sixty-four".