7939309164 has 24 divisors (see below), whose sum is σ = 18547478208. Its totient is φ = 2643233040.

The previous prime is 7939309153. The next prime is 7939309187. The reversal of 7939309164 is 4619039397.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390082 + ... + 409929.

It is an arithmetic number, because the mean of its divisors is an integer number (772811592).

Almost surely, 2^7939309164 is an apocalyptic number.

It is an amenable number.

7939309164 is an abundant number, since it is smaller than the sum of its proper divisors (10608169044).

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

7939309164 is a wasteful number, since it uses less digits than its factorization.

7939309164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800845 (or 800843 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 51.

The square root of 7939309164 is about 89102.8011007510. The cubic root of 7939309164 is about 1994.9295866505.

The spelling of 7939309164 in words is "seven billion, nine hundred thirty-nine million, three hundred nine thousand, one hundred sixty-four".