79599866 has 8 divisors (see below), whose sum is σ = 120495540. Its totient is φ = 39434688.

The previous prime is 79599859. The next prime is 79599887. The reversal of 79599866 is 66899597.

It can be written as a sum of positive squares in 2 ways, for example, as 79584241 + 15625 = 8921^2 + 125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×79599866² = 12672277334435912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182351 + ... + 182786.

Almost surely, 2^79599866 is an apocalyptic number.

79599866 is a deficient number, since it is larger than the sum of its proper divisors (40895674).

79599866 is a wasteful number, since it uses less digits than its factorization.

79599866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365248.

The product of its digits is 7348320, while the sum is 59.

The square root of 79599866 is about 8921.8756996497. The cubic root of 79599866 is about 430.1673514817.

The spelling of 79599866 in words is "seventy-nine million, five hundred ninety-nine thousand, eight hundred sixty-six".