79859971224 has 256 divisors, whose sum is σ = 252835430400. Its totient is φ = 23135414400.

The previous prime is 79859971153. The next prime is 79859971241. The reversal of 79859971224 is 42217995897.

79859971224 is a `hidden beast` number, since 7 + 9 + 8 + 599 + 7 + 12 + 24 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6106917 + ... + 6119979.

It is an arithmetic number, because the mean of its divisors is an integer number (987638400).

Almost surely, 2^79859971224 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 79859971224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126417715200).

79859971224 is an abundant number, since it is smaller than the sum of its proper divisors (172975459176).

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

79859971224 is a wasteful number, since it uses less digits than its factorization.

79859971224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13203 (or 13193 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 63.

The spelling of 79859971224 in words is "seventy-nine billion, eight hundred fifty-nine million, nine hundred seventy-one thousand, two hundred twenty-four".