79425164020 has 24 divisors (see below), whose sum is σ = 167178065544. Its totient is φ = 31696690176.

The previous prime is 79425163963. The next prime is 79425164057. The reversal of 79425164020 is 2046152497.

It can be written as a sum of positive squares in 4 ways, for example, as 822312976 + 78602851044 = 28676^2 + 280362^2 .

It is a congruent number.

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, 4577089 + ... + 4594408.

It is an arithmetic number, because the mean of its divisors is an integer number (6965752731).

Almost surely, 2^79425164020 is an apocalyptic number.

It is an amenable number.

79425164020 is an abundant number, since it is smaller than the sum of its proper divisors (87752901524).

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

79425164020 is a wasteful number, since it uses less digits than its factorization.

79425164020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9171939 (or 9171937 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 79425164020 in words is "seventy-nine billion, four hundred twenty-five million, one hundred sixty-four thousand, twenty".