79634984 has 64 divisors (see below), whose sum is σ = 176964480. Its totient is φ = 33120000.

The previous prime is 79634983. The next prime is 79634999. The reversal of 79634984 is 48943697.

It is not an unprimeable number, because it can be changed into a prime (79634983) 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, 172514 + ... + 172974.

It is an arithmetic number, because the mean of its divisors is an integer number (2765070).

Almost surely, 2^79634984 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 79634984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88482240).

79634984 is an abundant number, since it is smaller than the sum of its proper divisors (97329496).

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

79634984 is a wasteful number, since it uses less digits than its factorization.

79634984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 638 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 79634984 is about 8923.8435665357. The cubic root of 79634984 is about 430.2306028277.

The spelling of 79634984 in words is "seventy-nine million, six hundred thirty-four thousand, nine hundred eighty-four".