7939971164 has 12 divisors (see below), whose sum is σ = 13971718488. Its totient is φ = 3948051600.

The previous prime is 7939971157. The next prime is 7939971173. The reversal of 7939971164 is 4611799397.

It is a happy number.

It is a congruent number.

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, 5482682 + ... + 5484129.

It is an arithmetic number, because the mean of its divisors is an integer number (1164309874).

Almost surely, 2^7939971164 is an apocalyptic number.

It is an amenable number.

7939971164 is a deficient number, since it is larger than the sum of its proper divisors (6031747324).

7939971164 is a wasteful number, since it uses less digits than its factorization.

7939971164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10966996 (or 10966994 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 56.

The square root of 7939971164 is about 89106.5158335798. The cubic root of 7939971164 is about 1994.9850325613.

The spelling of 7939971164 in words is "seven billion, nine hundred thirty-nine million, nine hundred seventy-one thousand, one hundred sixty-four".