79989373924 has 6 divisors (see below), whose sum is σ = 139981404374. Its totient is φ = 39994686960.

The previous prime is 79989373897. The next prime is 79989373943. The reversal of 79989373924 is 42937398997.

It can be written as a sum of positive squares in only one way, i.e., 75119846400 + 4869527524 = 274080^2 + 69782^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9998671737 + ... + 9998671744.

Almost surely, 2^79989373924 is an apocalyptic number.

It is an amenable number.

79989373924 is a deficient number, since it is larger than the sum of its proper divisors (59992030450).

79989373924 is a wasteful number, since it uses less digits than its factorization.

79989373924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19997343485 (or 19997343483 counting only the distinct ones).

The product of its digits is 185177664, while the sum is 70.

The spelling of 79989373924 in words is "seventy-nine billion, nine hundred eighty-nine million, three hundred seventy-three thousand, nine hundred twenty-four".