79879992693 has 8 divisors (see below), whose sum is σ = 106567839456. Its totient is φ = 53222737200.

The previous prime is 79879992637. The next prime is 79879992701. The reversal of 79879992693 is 39629997897.

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

It is not a de Polignac number, because 79879992693 - 2¹⁶ = 79879927157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79879992293) 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, 7641723 + ... + 7652168.

It is an arithmetic number, because the mean of its divisors is an integer number (13320979932).

Almost surely, 2^79879992693 is an apocalyptic number.

It is an amenable number.

79879992693 is a deficient number, since it is larger than the sum of its proper divisors (26687846763).

79879992693 is a wasteful number, since it uses less digits than its factorization.

79879992693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15295635.

The product of its digits is 833299488, while the sum is 78.

The spelling of 79879992693 in words is "seventy-nine billion, eight hundred seventy-nine million, nine hundred ninety-two thousand, six hundred ninety-three".