79847365 has 16 divisors (see below), whose sum is σ = 103462128. Its totient is φ = 58807296.

The previous prime is 79847363. The next prime is 79847387. The reversal of 79847365 is 56374897.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 40119556 + 39727809 = 6334^2 + 6303^2 .

It is a cyclic number.

It is not a de Polignac number, because 79847365 - 2¹ = 79847363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79847363) 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, 26727 + ... + 29563.

It is an arithmetic number, because the mean of its divisors is an integer number (6466383).

Almost surely, 2^79847365 is an apocalyptic number.

It is an amenable number.

79847365 is a deficient number, since it is larger than the sum of its proper divisors (23614763).

79847365 is a wasteful number, since it uses less digits than its factorization.

79847365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288.

The product of its digits is 1270080, while the sum is 49.

The square root of 79847365 is about 8935.7352803225. The cubic root of 79847365 is about 430.6127284250.

The spelling of 79847365 in words is "seventy-nine million, eight hundred forty-seven thousand, three hundred sixty-five".