79679276399 has 8 divisors (see below), whose sum is σ = 80094284160. Its totient is φ = 79265346336.

The previous prime is 79679276387. The next prime is 79679276423. The reversal of 79679276399 is 99367297697.

It is a happy number.

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 79679276399 - 2²⁰ = 79678227823 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 (79679276329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120959 + ... + 417120.

It is an arithmetic number, because the mean of its divisors is an integer number (10011785520).

Almost surely, 2^79679276399 is an apocalyptic number.

79679276399 is a deficient number, since it is larger than the sum of its proper divisors (415007761).

79679276399 is a wasteful number, since it uses less digits than its factorization.

79679276399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538849.

The product of its digits is 486091368, while the sum is 74.

The spelling of 79679276399 in words is "seventy-nine billion, six hundred seventy-nine million, two hundred seventy-six thousand, three hundred ninety-nine".