79388892 has 144 divisors (see below), whose sum is σ = 234823680. Its totient is φ = 22377600.

The previous prime is 79388873. The next prime is 79388899. The reversal of 79388892 is 29888397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79388899) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355893 + ... + 356115.

It is an arithmetic number, because the mean of its divisors is an integer number (1630720).

Almost surely, 2^79388892 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 79388892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117411840).

79388892 is an abundant number, since it is smaller than the sum of its proper divisors (155434788).

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

79388892 is a wasteful number, since it uses less digits than its factorization.

79388892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 299 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 79388892 is about 8910.0444443336. The cubic root of 79388892 is about 429.7869721802.

The spelling of 79388892 in words is "seventy-nine million, three hundred eighty-eight thousand, eight hundred ninety-two".