79365969 has 12 divisors (see below), whose sum is σ = 115089156. Its totient is φ = 52703232.

The previous prime is 79365967. The next prime is 79365971. The reversal of 79365969 is 96956397.

It is an interprime number because it is at equal distance from previous prime (79365967) and next prime (79365971).

It can be written as a sum of positive squares in 2 ways, for example, as 57153600 + 22212369 = 7560^2 + 4713^2 .

It is not a de Polignac number, because 79365969 - 2¹ = 79365967 is a prime.

It is a super-2 number, since 2×79365969² = 12597914070617922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79365967) 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 11 ways as a sum of consecutive naturals, for example, 14844 + ... + 19469.

It is an arithmetic number, because the mean of its divisors is an integer number (9590763).

Almost surely, 2^79365969 is an apocalyptic number.

It is an amenable number.

79365969 is a deficient number, since it is larger than the sum of its proper divisors (35723187).

79365969 is a wasteful number, since it uses less digits than its factorization.

79365969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34576 (or 34573 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 54.

The square root of 79365969 is about 8908.7579942436. The cubic root of 79365969 is about 429.7456021812.

The spelling of 79365969 in words is "seventy-nine million, three hundred sixty-five thousand, nine hundred sixty-nine".