79873586654399 has 8 divisors (see below), whose sum is σ = 79935217746720. Its totient is φ = 79811974331136.

The previous prime is 79873586654387. The next prime is 79873586654429. The reversal of 79873586654399 is 99345668537897.

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 79873586654399 - 2²⁰ = 79873585605823 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 (79873586654999) 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, 3828182 + ... + 13206140.

It is an arithmetic number, because the mean of its divisors is an integer number (9991902218340).

Almost surely, 2^{79873586654399} is an apocalyptic number.

79873586654399 is a deficient number, since it is larger than the sum of its proper divisors (61631092321).

79873586654399 is a wasteful number, since it uses less digits than its factorization.

79873586654399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9384529.

The product of its digits is 74071065600, while the sum is 89.

The spelling of 79873586654399 in words is "seventy-nine trillion, eight hundred seventy-three billion, five hundred eighty-six million, six hundred fifty-four thousand, three hundred ninety-nine".