79476669 has 6 divisors (see below), whose sum is σ = 114799646. Its totient is φ = 52984440.

The previous prime is 79476637. The next prime is 79476689. The reversal of 79476669 is 96667497.

It can be written as a sum of positive squares in only one way, i.e., 72897444 + 6579225 = 8538^2 + 2565^2 .

It is not a de Polignac number, because 79476669 - 2⁵ = 79476637 is a prime.

It is a super-2 number, since 2×79476669² = 12633081830671122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79476689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4415362 + ... + 4415379.

Almost surely, 2^79476669 is an apocalyptic number.

It is an amenable number.

79476669 is a deficient number, since it is larger than the sum of its proper divisors (35322977).

79476669 is a wasteful number, since it uses less digits than its factorization.

79476669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8830747 (or 8830744 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 79476669 is about 8914.9688165467. The cubic root of 79476669 is about 429.9453130381.

The spelling of 79476669 in words is "seventy-nine million, four hundred seventy-six thousand, six hundred sixty-nine".