79966675 has 6 divisors (see below), whose sum is σ = 99158708. Its totient is φ = 63973320.

The previous prime is 79966637. The next prime is 79966709. The reversal of 79966675 is 57666997.

It is not a de Polignac number, because 79966675 - 2⁹ = 79966163 is a prime.

It is a super-2 number, since 2×79966675² = 12789338221111250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1599309 + ... + 1599358.

Almost surely, 2^79966675 is an apocalyptic number.

79966675 is a deficient number, since it is larger than the sum of its proper divisors (19192033).

79966675 is a wasteful number, since it uses less digits than its factorization.

79966675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198677 (or 3198672 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 55.

The square root of 79966675 is about 8942.4087918189. The cubic root of 79966675 is about 430.8270992500.

The spelling of 79966675 in words is "seventy-nine million, nine hundred sixty-six thousand, six hundred seventy-five".