879030864 has 120 divisors (see below), whose sum is σ = 2526568200. Its totient is φ = 285182976.

The previous prime is 879030851. The next prime is 879030869. The reversal of 879030864 is 468030978.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 501264 + 878529600 = 708^2 + 29640^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879030869) by changing a digit.

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, 1136782 + ... + 1137554.

It is an arithmetic number, because the mean of its divisors is an integer number (21054735).

Almost surely, 2^879030864 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 879030864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263284100).

879030864 is an abundant number, since it is smaller than the sum of its proper divisors (1647537336).

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

879030864 is a wasteful number, since it uses less digits than its factorization.

879030864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 879030864 is about 29648.4546646195. The cubic root of 879030864 is about 957.9320590529.

The spelling of 879030864 in words is "eight hundred seventy-nine million, thirty thousand, eight hundred sixty-four".