879639434822 has 32 divisors (see below), whose sum is σ = 1410080205600. Its totient is φ = 410095415808.

The previous prime is 879639434813. The next prime is 879639434867. The reversal of 879639434822 is 228434936978.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 44621504 + ... + 44641212.

It is an arithmetic number, because the mean of its divisors is an integer number (44065006425).

Almost surely, 2^879639434822 is an apocalyptic number.

879639434822 is a deficient number, since it is larger than the sum of its proper divisors (530440770778).

879639434822 is a wasteful number, since it uses less digits than its factorization.

879639434822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31880.

The product of its digits is 125411328, while the sum is 65.

The spelling of 879639434822 in words is "eight hundred seventy-nine billion, six hundred thirty-nine million, four hundred thirty-four thousand, eight hundred twenty-two".