879840740 has 12 divisors (see below), whose sum is σ = 1847665596. Its totient is φ = 351936288.

The previous prime is 879840737. The next prime is 879840751. The reversal of 879840740 is 47048978.

879840740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 299705344 + 580135396 = 17312^2 + 24086^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21995999 + ... + 21996038.

It is an arithmetic number, because the mean of its divisors is an integer number (153972133).

Almost surely, 2^879840740 is an apocalyptic number.

It is an amenable number.

879840740 is an abundant number, since it is smaller than the sum of its proper divisors (967824856).

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

879840740 is a wasteful number, since it uses less digits than its factorization.

879840740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43992046 (or 43992044 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 879840740 is about 29662.1095001687. The cubic root of 879840740 is about 958.2261587183.

The spelling of 879840740 in words is "eight hundred seventy-nine million, eight hundred forty thousand, seven hundred forty".