79289982 has 64 divisors (see below), whose sum is σ = 183859200. Its totient is φ = 25306560.

The previous prime is 79289963. The next prime is 79290007. The reversal of 79289982 is 28998297.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 130323 + ... + 130929.

It is an arithmetic number, because the mean of its divisors is an integer number (2872800).

Almost surely, 2^79289982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79289982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91929600).

79289982 is an abundant number, since it is smaller than the sum of its proper divisors (104569218).

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

79289982 is a wasteful number, since it uses less digits than its factorization.

79289982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 712 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 79289982 is about 8904.4922370678. The cubic root of 79289982 is about 429.6084085929.

The spelling of 79289982 in words is "seventy-nine million, two hundred eighty-nine thousand, nine hundred eighty-two".