879512340 has 192 divisors, whose sum is σ = 2999808000. Its totient is φ = 187951104.

The previous prime is 879512321. The next prime is 879512393. The reversal of 879512340 is 43215978.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 1420551 + ... + 1421169.

It is an arithmetic number, because the mean of its divisors is an integer number (15624000).

Almost surely, 2^879512340 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 879512340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499904000).

879512340 is an abundant number, since it is smaller than the sum of its proper divisors (2120295660).

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

879512340 is a wasteful number, since it uses less digits than its factorization.

879512340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 879512340 is about 29656.5733017151. The cubic root of 879512340 is about 958.1069247797.

The spelling of 879512340 in words is "eight hundred seventy-nine million, five hundred twelve thousand, three hundred forty".