79926816 has 48 divisors (see below), whose sum is σ = 211184064. Its totient is φ = 26467584.

The previous prime is 79926811. The next prime is 79926823. The reversal of 79926816 is 61862997.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (79926811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12421 + ... + 17723.

It is an arithmetic number, because the mean of its divisors is an integer number (4399668).

Almost surely, 2^79926816 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 79926816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105592032).

79926816 is an abundant number, since it is smaller than the sum of its proper divisors (131257248).

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

79926816 is a wasteful number, since it uses less digits than its factorization.

79926816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473 (or 5465 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 79926816 is about 8940.1798639625. The cubic root of 79926816 is about 430.7555061300.

The spelling of 79926816 in words is "seventy-nine million, nine hundred twenty-six thousand, eight hundred sixteen".