3957156608 has 18 divisors (see below), whose sum is σ = 7898856084. Its totient is φ = 1978578176.

The previous prime is 3957156569. The next prime is 3957156611. The reversal of 3957156608 is 8066517593.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7728566 + ... + 7729077.

It is an arithmetic number, because the mean of its divisors is an integer number (438825338).

Almost surely, 2^3957156608 is an apocalyptic number.

It is an amenable number.

3957156608 is a deficient number, since it is larger than the sum of its proper divisors (3941699476).

3957156608 is an equidigital number, since it uses as much as digits as its factorization.

3957156608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15457659 (or 15457645 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 3957156608 is about 62905.9346007990. The cubic root of 3957156608 is about 1581.7132257646.

The spelling of 3957156608 in words is "three billion, nine hundred fifty-seven million, one hundred fifty-six thousand, six hundred eight".