79874089212 has 48 divisors (see below), whose sum is σ = 200115401472. Its totient is φ = 24705596160.

The previous prime is 79874089193. The next prime is 79874089219. The reversal of 79874089212 is 21298047897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79874089219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2742838 + ... + 2771805.

It is an arithmetic number, because the mean of its divisors is an integer number (4169070864).

Almost surely, 2^79874089212 is an apocalyptic number.

It is an amenable number.

79874089212 is an abundant number, since it is smaller than the sum of its proper divisors (120241312260).

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

79874089212 is a wasteful number, since it uses less digits than its factorization.

79874089212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514738 (or 5514736 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 79874089212 in words is "seventy-nine billion, eight hundred seventy-four million, eighty-nine thousand, two hundred twelve".