79690993199 has 8 divisors (see below), whose sum is σ = 81868064880. Its totient is φ = 77515145856.

The previous prime is 79690993163. The next prime is 79690993243. The reversal of 79690993199 is 99139909697.

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 79690993199 - 2²⁴ = 79674215983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79690993099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173354 + ... + 435239.

It is an arithmetic number, because the mean of its divisors is an integer number (10233508110).

Almost surely, 2^79690993199 is an apocalyptic number.

79690993199 is a deficient number, since it is larger than the sum of its proper divisors (2177071681).

79690993199 is a wasteful number, since it uses less digits than its factorization.

79690993199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612169.

The product of its (nonzero) digits is 66961566, while the sum is 71.

The spelling of 79690993199 in words is "seventy-nine billion, six hundred ninety million, nine hundred ninety-three thousand, one hundred ninety-nine".