879494147547 has 16 divisors (see below), whose sum is σ = 1206614073888. Its totient is φ = 569570892800.

The previous prime is 879494147527. The next prime is 879494147579. The reversal of 879494147547 is 745741494978.

It is a cyclic number.

It is not a de Polignac number, because 879494147547 - 2²⁸ = 879225712091 is a prime.

It is a super-2 number, since 2×879494147547² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (879494147527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27367158 + ... + 27399275.

It is an arithmetic number, because the mean of its divisors is an integer number (75413379618).

Almost surely, 2^879494147547 is an apocalyptic number.

879494147547 is a deficient number, since it is larger than the sum of its proper divisors (327119926341).

879494147547 is a wasteful number, since it uses less digits than its factorization.

879494147547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54766590.

The product of its digits is 284497920, while the sum is 69.

It can be divided in two parts, 8794941 and 47547, that added together give a palindrome (8842488).

The spelling of 879494147547 in words is "eight hundred seventy-nine billion, four hundred ninety-four million, one hundred forty-seven thousand, five hundred forty-seven".