79210123872 has 192 divisors, whose sum is σ = 244322749440. Its totient is φ = 22210675200.

The previous prime is 79210123819. The next prime is 79210123903. The reversal of 79210123872 is 27832101297.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 816847 + ... + 908657.

It is an arithmetic number, because the mean of its divisors is an integer number (1272514320).

Almost surely, 2^79210123872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79210123872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122161374720).

79210123872 is an abundant number, since it is smaller than the sum of its proper divisors (165112625568).

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

79210123872 is a wasteful number, since it uses less digits than its factorization.

79210123872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91897 (or 91889 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 79210123872 in words is "seventy-nine billion, two hundred ten million, one hundred twenty-three thousand, eight hundred seventy-two".