879918084 has 72 divisors (see below), whose sum is σ = 2364852672. Its totient is φ = 275246400.

The previous prime is 879918047. The next prime is 879918119. The reversal of 879918084 is 480819978.

It is a self number, because there is not a number n which added to its sum of digits gives 879918084.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33859 + ... + 53909.

It is an arithmetic number, because the mean of its divisors is an integer number (32845176).

Almost surely, 2^879918084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 879918084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1182426336).

879918084 is an abundant number, since it is smaller than the sum of its proper divisors (1484934588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

879918084 is a wasteful number, since it uses less digits than its factorization.

879918084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20137 (or 20132 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 879918084 is about 29663.4132223519. The cubic root of 879918084 is about 958.2542360998.

The spelling of 879918084 in words is "eight hundred seventy-nine million, nine hundred eighteen thousand, eighty-four".