79926984 has 48 divisors (see below), whose sum is σ = 218918700. Its totient is φ = 26340864.

The previous prime is 79926983. The next prime is 79926989. The reversal of 79926984 is 48962997.

It can be written as a sum of positive squares in 2 ways, for example, as 79602084 + 324900 = 8922^2 + 570^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79926984.

It is not an unprimeable number, because it can be changed into a prime (79926983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172 + ... + 12644.

Almost surely, 2^79926984 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 79926984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109459350).

79926984 is an abundant number, since it is smaller than the sum of its proper divisors (138991716).

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

79926984 is a wasteful number, since it uses less digits than its factorization.

79926984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12574 (or 12567 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 79926984 is about 8940.1892597417. The cubic root of 79926984 is about 430.7558079347.

The spelling of 79926984 in words is "seventy-nine million, nine hundred twenty-six thousand, nine hundred eighty-four".