879121879124 has 24 divisors (see below), whose sum is σ = 1617604149000. Its totient is φ = 417446225280.

The previous prime is 879121879073. The next prime is 879121879183. The reversal of 879121879124 is 421978121978.

It can be written as a sum of positive squares in 4 ways, for example, as 16248091024 + 862873788100 = 127468^2 + 928910^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62112899 + ... + 62127050.

It is an arithmetic number, because the mean of its divisors is an integer number (67400172875).

Almost surely, 2^879121879124 is an apocalyptic number.

It is an amenable number.

879121879124 is a deficient number, since it is larger than the sum of its proper divisors (738482269876).

879121879124 is a wasteful number, since it uses less digits than its factorization.

879121879124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124240043 (or 124240041 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 59.

The spelling of 879121879124 in words is "eight hundred seventy-nine billion, one hundred twenty-one million, eight hundred seventy-nine thousand, one hundred twenty-four".