79215316 has 12 divisors (see below), whose sum is σ = 139429332. Its totient is φ = 39378368.

The previous prime is 79215299. The next prime is 79215317. The reversal of 79215316 is 61351297.

It can be written as a sum of positive squares in 2 ways, for example, as 67174416 + 12040900 = 8196^2 + 3470^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79215317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56545 + ... + 57928.

It is an arithmetic number, because the mean of its divisors is an integer number (11619111).

Almost surely, 2^79215316 is an apocalyptic number.

It is an amenable number.

79215316 is a deficient number, since it is larger than the sum of its proper divisors (60214016).

79215316 is a wasteful number, since it uses less digits than its factorization.

79215316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114650 (or 114648 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 79215316 is about 8900.2986466747. The cubic root of 79215316 is about 429.4735146474.

The spelling of 79215316 in words is "seventy-nine million, two hundred fifteen thousand, three hundred sixteen".