79502740478 has 48 divisors (see below), whose sum is σ = 144111963744. Its totient is φ = 32218534080.

The previous prime is 79502740441. The next prime is 79502740487. The reversal of 79502740478 is 87404720597.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2719676 + ... + 2748752.

It is an arithmetic number, because the mean of its divisors is an integer number (3002332578).

Almost surely, 2^79502740478 is an apocalyptic number.

79502740478 is a deficient number, since it is larger than the sum of its proper divisors (64609223266).

79502740478 is a wasteful number, since it uses less digits than its factorization.

79502740478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29665 (or 29646 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 79502740478 in words is "seventy-nine billion, five hundred two million, seven hundred forty thousand, four hundred seventy-eight".