79507920424 has 16 divisors (see below), whose sum is σ = 149086271700. Its totient is φ = 39751581312.

The previous prime is 79507920421. The next prime is 79507920463. The reversal of 79507920424 is 42402970597.

It can be written as a sum of positive squares in 2 ways, for example, as 75905760100 + 3602160324 = 275510^2 + 60018^2 .

It is not an unprimeable number, because it can be changed into a prime (79507920421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151087 + ... + 426430.

Almost surely, 2^79507920424 is an apocalyptic number.

It is an amenable number.

79507920424 is a deficient number, since it is larger than the sum of its proper divisors (69578351276).

79507920424 is a wasteful number, since it uses less digits than its factorization.

79507920424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594732 (or 594728 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 79507920424 in words is "seventy-nine billion, five hundred seven million, nine hundred twenty thousand, four hundred twenty-four".