879501940 has 24 divisors (see below), whose sum is σ = 1865245032. Its totient is φ = 348316800.

The previous prime is 879501907. The next prime is 879501941. The reversal of 879501940 is 49105978.

It can be written as a sum of positive squares in 4 ways, for example, as 290566116 + 588935824 = 17046^2 + 24268^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (879501941) 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 7 ways as a sum of consecutive naturals, for example, 215679 + ... + 219718.

It is an arithmetic number, because the mean of its divisors is an integer number (77718543).

Almost surely, 2^879501940 is an apocalyptic number.

It is an amenable number.

879501940 is an abundant number, since it is smaller than the sum of its proper divisors (985743092).

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

879501940 is a wasteful number, since it uses less digits than its factorization.

879501940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435507 (or 435505 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 879501940 is about 29656.3979606425. The cubic root of 879501940 is about 958.1031483115.

The spelling of 879501940 in words is "eight hundred seventy-nine million, five hundred one thousand, nine hundred forty".