79560317 has 2 divisors, whose sum is σ = 79560318. Its totient is φ = 79560316.

The previous prime is 79560307. The next prime is 79560337. The reversal of 79560317 is 71306597.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61293241 + 18267076 = 7829^2 + 4274^2 .

It is a cyclic number.

It is not a de Polignac number, because 79560317 - 2¹² = 79556221 is a prime.

It is a super-2 number, since 2×79560317² = 12659688082280978, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79560307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39780158 + 39780159.

It is an arithmetic number, because the mean of its divisors is an integer number (39780159).

Almost surely, 2^79560317 is an apocalyptic number.

It is an amenable number.

79560317 is a deficient number, since it is larger than the sum of its proper divisors (1).

79560317 is an equidigital number, since it uses as much as digits as its factorization.

79560317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 79560317 is about 8919.6590181464. The cubic root of 79560317 is about 430.0960971451.

The spelling of 79560317 in words is "seventy-nine million, five hundred sixty thousand, three hundred seventeen".