3956808957 has 8 divisors (see below), whose sum is σ = 5553416160. Its totient is φ = 2499037200.

The previous prime is 3956808953. The next prime is 3956809049. The reversal of 3956808957 is 7598086593.

3956808957 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3956808957 - 2² = 3956808953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3956808957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3956808953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34708794 + ... + 34708907.

It is an arithmetic number, because the mean of its divisors is an integer number (694177020).

Almost surely, 2^3956808957 is an apocalyptic number.

It is an amenable number.

3956808957 is a deficient number, since it is larger than the sum of its proper divisors (1596607203).

3956808957 is a wasteful number, since it uses less digits than its factorization.

3956808957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69417723.

The product of its (nonzero) digits is 16329600, while the sum is 60.

The square root of 3956808957 is about 62903.1712793560. The cubic root of 3956808957 is about 1581.6669046016. Note that the first 3 decimals are identical.

The spelling of 3956808957 in words is "three billion, nine hundred fifty-six million, eight hundred eight thousand, nine hundred fifty-seven".