3936979137 has 48 divisors (see below), whose sum is σ = 6788285952. Its totient is φ = 2009629440.

The previous prime is 3936979127. The next prime is 3936979139. The reversal of 3936979137 is 7319796393.

It is not a de Polignac number, because 3936979137 - 2⁶ = 3936979073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3936979139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26013 + ... + 92469.

It is an arithmetic number, because the mean of its divisors is an integer number (141422624).

Almost surely, 2^3936979137 is an apocalyptic number.

It is an amenable number.

3936979137 is a deficient number, since it is larger than the sum of its proper divisors (2851306815).

3936979137 is a wasteful number, since it uses less digits than its factorization.

3936979137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66518 (or 66511 counting only the distinct ones).

The product of its digits is 5786802, while the sum is 57.

The square root of 3936979137 is about 62745.3515170646. The cubic root of 3936979137 is about 1579.0202676027.

The spelling of 3936979137 in words is "three billion, nine hundred thirty-six million, nine hundred seventy-nine thousand, one hundred thirty-seven".