79660659 has 8 divisors (see below), whose sum is σ = 114384592. Its totient is φ = 49021920.

The previous prime is 79660649. The next prime is 79660681. The reversal of 79660659 is 95606697.

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

It is not a de Polignac number, because 79660659 - 2⁷ = 79660531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79660649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021252 + ... + 1021329.

It is an arithmetic number, because the mean of its divisors is an integer number (14298074).

Almost surely, 2^79660659 is an apocalyptic number.

79660659 is a deficient number, since it is larger than the sum of its proper divisors (34723933).

79660659 is a wasteful number, since it uses less digits than its factorization.

79660659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042597.

The product of its (nonzero) digits is 612360, while the sum is 48.

The square root of 79660659 is about 8925.2820123512. The cubic root of 79660659 is about 430.2768345350.

The spelling of 79660659 in words is "seventy-nine million, six hundred sixty thousand, six hundred fifty-nine".