879261172617 has 16 divisors (see below), whose sum is σ = 1183829349248. Its totient is φ = 580434508800.

The previous prime is 879261172613. The next prime is 879261172687. The reversal of 879261172617 is 716271162978.

It is not a de Polignac number, because 879261172617 - 2² = 879261172613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879261172613) 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 15 ways as a sum of consecutive naturals, for example, 3784617 + ... + 4010217.

It is an arithmetic number, because the mean of its divisors is an integer number (73989334328).

Almost surely, 2^879261172617 is an apocalyptic number.

It is an amenable number.

879261172617 is a deficient number, since it is larger than the sum of its proper divisors (304568176631).

879261172617 is a wasteful number, since it uses less digits than its factorization.

879261172617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238320.

The product of its digits is 3556224, while the sum is 57.

The spelling of 879261172617 in words is "eight hundred seventy-nine billion, two hundred sixty-one million, one hundred seventy-two thousand, six hundred seventeen".