79170364213 has 16 divisors (see below), whose sum is σ = 81703678896. Its totient is φ = 76667535360.

The previous prime is 79170364193. The next prime is 79170364237. The reversal of 79170364213 is 31246307197.

It can be written as a sum of positive squares in 8 ways, for example, as 505260484 + 78665103729 = 22478^2 + 280473^2 .

It is a cyclic number.

It is not a de Polignac number, because 79170364213 - 2¹³ = 79170356021 is a prime.

It is a super-2 number, since 2×79170364213² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79170364213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79170364283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3605295 + ... + 3627187.

It is an arithmetic number, because the mean of its divisors is an integer number (5106479931).

Almost surely, 2^79170364213 is an apocalyptic number.

It is an amenable number.

79170364213 is a deficient number, since it is larger than the sum of its proper divisors (2533314683).

79170364213 is a wasteful number, since it uses less digits than its factorization.

79170364213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22584.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 79170364213 in words is "seventy-nine billion, one hundred seventy million, three hundred sixty-four thousand, two hundred thirteen".