79504259408 has 20 divisors (see below), whose sum is σ = 176045146080. Its totient is φ = 34073253984.

The previous prime is 79504259407. The next prime is 79504259467. The reversal of 79504259408 is 80495240597.

It is a self number, because there is not a number n which added to its sum of digits gives 79504259408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79504259407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354929618 + ... + 354929841.

It is an arithmetic number, because the mean of its divisors is an integer number (8802257304).

Almost surely, 2^79504259408 is an apocalyptic number.

It is an amenable number.

79504259408 is an abundant number, since it is smaller than the sum of its proper divisors (96540886672).

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

79504259408 is a wasteful number, since it uses less digits than its factorization.

79504259408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709859474 (or 709859468 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 79504259408 in words is "seventy-nine billion, five hundred four million, two hundred fifty-nine thousand, four hundred eight".