79000021112 has 16 divisors (see below), whose sum is σ = 155921094600. Its totient is φ = 37421062560.

The previous prime is 79000021109. The next prime is 79000021117. The reversal of 79000021112 is 21112000097.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79000021117) 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, 259868339 + ... + 259868642.

Almost surely, 2^79000021112 is an apocalyptic number.

It is an amenable number.

79000021112 is a deficient number, since it is larger than the sum of its proper divisors (76921073488).

79000021112 is a wasteful number, since it uses less digits than its factorization.

79000021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519737006 (or 519737002 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 23.

The spelling of 79000021112 in words is "seventy-nine billion, twenty-one thousand, one hundred twelve".