79359380 has 36 divisors (see below), whose sum is σ = 172245780. Its totient is φ = 30712320.

The previous prime is 79359377. The next prime is 79359419. The reversal of 79359380 is 8395397.

It can be written as a sum of positive squares in 2 ways, for example, as 36168196 + 43191184 = 6014^2 + 6572^2 .

It is a super-2 number, since 2×79359380² = 12595822387968800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17156 + ... + 21284.

It is an arithmetic number, because the mean of its divisors is an integer number (4784605).

Almost surely, 2^79359380 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 79359380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86122890).

79359380 is an abundant number, since it is smaller than the sum of its proper divisors (92886400).

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

79359380 is a wasteful number, since it uses less digits than its factorization.

79359380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200 (or 4167 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 79359380 is about 8908.3881819328. The cubic root of 79359380 is about 429.7337092916.

The spelling of 79359380 in words is "seventy-nine million, three hundred fifty-nine thousand, three hundred eighty".