879832840 has 32 divisors (see below), whose sum is σ = 1980699480. Its totient is φ = 351741952.

The previous prime is 879832831. The next prime is 879832843. The reversal of 879832840 is 48238978.

It can be written as a sum of positive squares in 4 ways, for example, as 861187716 + 18645124 = 29346^2 + 4318^2 .

It is not an unprimeable number, because it can be changed into a prime (879832843) 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, 86082 + ... + 95758.

Almost surely, 2^879832840 is an apocalyptic number.

It is an amenable number.

879832840 is an abundant number, since it is smaller than the sum of its proper divisors (1100866640).

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

879832840 is a wasteful number, since it uses less digits than its factorization.

879832840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11961 (or 11957 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 879832840 is about 29661.9763333464. The cubic root of 879832840 is about 958.2232907715.

The spelling of 879832840 in words is "eight hundred seventy-nine million, eight hundred thirty-two thousand, eight hundred forty".