79880416 has 96 divisors (see below), whose sum is σ = 207712512. Its totient is φ = 29276160.

The previous prime is 79880407. The next prime is 79880443. The reversal of 79880416 is 61408897.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40935 + ... + 42841.

It is an arithmetic number, because the mean of its divisors is an integer number (2163672).

Almost surely, 2^79880416 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 79880416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103856256).

79880416 is an abundant number, since it is smaller than the sum of its proper divisors (127832096).

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

79880416 is a wasteful number, since it uses less digits than its factorization.

79880416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952 (or 1944 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 79880416 is about 8937.5844611394. The cubic root of 79880416 is about 430.6721343430.

The spelling of 79880416 in words is "seventy-nine million, eight hundred eighty thousand, four hundred sixteen".