79818265 has 16 divisors (see below), whose sum is σ = 97977600. Its totient is φ = 62400832.

The previous prime is 79818253. The next prime is 79818269. The reversal of 79818265 is 56281897.

It is a cyclic number.

It is not a de Polignac number, because 79818265 - 2⁹ = 79817753 is a prime.

It is a super-2 number, since 2×79818265² = 12741910855220450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79818269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94716 + ... + 95554.

It is an arithmetic number, because the mean of its divisors is an integer number (6123600).

Almost surely, 2^79818265 is an apocalyptic number.

It is an amenable number.

79818265 is a deficient number, since it is larger than the sum of its proper divisors (18159335).

79818265 is a wasteful number, since it uses less digits than its factorization.

79818265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256.

The product of its digits is 241920, while the sum is 46.

The square root of 79818265 is about 8934.1068384030. The cubic root of 79818265 is about 430.5604104682.

The spelling of 79818265 in words is "seventy-nine million, eight hundred eighteen thousand, two hundred sixty-five".