79969422 has 64 divisors (see below), whose sum is σ = 178649856. Its totient is φ = 23708160.

The previous prime is 79969403. The next prime is 79969433. The reversal of 79969422 is 22496997.

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, 378897 + ... + 379107.

It is an arithmetic number, because the mean of its divisors is an integer number (2791404).

Almost surely, 2^79969422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79969422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89324928).

79969422 is an abundant number, since it is smaller than the sum of its proper divisors (98680434).

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

79969422 is a wasteful number, since it uses less digits than its factorization.

79969422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its digits is 489888, while the sum is 48.

The square root of 79969422 is about 8942.5623844623. The cubic root of 79969422 is about 430.8320324237.

The spelling of 79969422 in words is "seventy-nine million, nine hundred sixty-nine thousand, four hundred twenty-two".