79660993 has 8 divisors (see below), whose sum is σ = 81648000. Its totient is φ = 77698608.

The previous prime is 79660951. The next prime is 79661003. The reversal of 79660993 is 39906697.

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

It is a cyclic number.

It is not a de Polignac number, because 79660993 - 2⁹ = 79660481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79660193) 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, 483 + ... + 12631.

It is an arithmetic number, because the mean of its divisors is an integer number (10206000).

Almost surely, 2^79660993 is an apocalyptic number.

It is an amenable number.

79660993 is a deficient number, since it is larger than the sum of its proper divisors (1987007).

79660993 is a wasteful number, since it uses less digits than its factorization.

79660993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12311.

The product of its (nonzero) digits is 551124, while the sum is 49.

The square root of 79660993 is about 8925.3007232250. The cubic root of 79660993 is about 430.2774358869.

The spelling of 79660993 in words is "seventy-nine million, six hundred sixty thousand, nine hundred ninety-three".