79446969 has 24 divisors (see below), whose sum is σ = 131830400. Its totient is φ = 45163008.

The previous prime is 79446943. The next prime is 79446973. The reversal of 79446969 is 96964497.

It is not a de Polignac number, because 79446969 - 2⁵ = 79446937 is a prime.

It is a super-2 number, since 2×79446969² = 12623641766573922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79446469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9369 + ... + 15705.

Almost surely, 2^79446969 is an apocalyptic number.

It is an amenable number.

79446969 is a deficient number, since it is larger than the sum of its proper divisors (52383431).

79446969 is a wasteful number, since it uses less digits than its factorization.

79446969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6549 (or 6546 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 79446969 is about 8913.3029231593. The cubic root of 79446969 is about 429.8917502885.

The spelling of 79446969 in words is "seventy-nine million, four hundred forty-six thousand, nine hundred sixty-nine".