879139237142 has 16 divisors (see below), whose sum is σ = 1319316984000. Its totient is φ = 439366964040.

The previous prime is 879139237127. The next prime is 879139237157. The reversal of 879139237142 is 241732931978.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (879139237127) and next prime (879139237157).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 51406109 + ... + 51423207.

It is an arithmetic number, because the mean of its divisors is an integer number (82457311500).

Almost surely, 2^879139237142 is an apocalyptic number.

879139237142 is a deficient number, since it is larger than the sum of its proper divisors (440177746858).

879139237142 is a wasteful number, since it uses less digits than its factorization.

879139237142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27451.

The product of its digits is 4572288, while the sum is 56.

The spelling of 879139237142 in words is "eight hundred seventy-nine billion, one hundred thirty-nine million, two hundred thirty-seven thousand, one hundred forty-two".