159389346879 has 24 divisors (see below), whose sum is σ = 263266678272. Its totient is φ = 91028480400.

The previous prime is 159389346859. The next prime is 159389346881. The reversal of 159389346879 is 978643983951.

159389346879 is a `hidden beast` number, since 1 + 5 + 9 + 3 + 8 + 93 + 468 + 79 = 666.

159389346879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 159389346879 - 2⁵ = 159389346847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159389346839) 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 23 ways as a sum of consecutive naturals, for example, 597147 + ... + 821804.

It is an arithmetic number, because the mean of its divisors is an integer number (10969444928).

Almost surely, 2^159389346879 is an apocalyptic number.

159389346879 is a deficient number, since it is larger than the sum of its proper divisors (103877331393).

159389346879 is a wasteful number, since it uses less digits than its factorization.

159389346879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420747 (or 1420744 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 72.

The spelling of 159389346879 in words is "one hundred fifty-nine billion, three hundred eighty-nine million, three hundred forty-six thousand, eight hundred seventy-nine".