79215900159 has 32 divisors (see below), whose sum is σ = 116078515200. Its totient is φ = 47654530560.

The previous prime is 79215900149. The next prime is 79215900163. The reversal of 79215900159 is 95100951297.

It is not a de Polignac number, because 79215900159 - 2¹⁶ = 79215834623 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79215900149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2452587 + ... + 2484675.

It is an arithmetic number, because the mean of its divisors is an integer number (3627453600).

Almost surely, 2^79215900159 is an apocalyptic number.

79215900159 is a deficient number, since it is larger than the sum of its proper divisors (36862615041).

79215900159 is a wasteful number, since it uses less digits than its factorization.

79215900159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32655.

The product of its (nonzero) digits is 255150, while the sum is 48.

It can be divided in two parts, 792 and 15900159, that added together give a palindrome (15900951).

The spelling of 79215900159 in words is "seventy-nine billion, two hundred fifteen million, nine hundred thousand, one hundred fifty-nine".