879251283856 has 135 divisors (see below), whose sum is σ = 1900225140177. Its totient is φ = 393827280000.

The previous prime is 879251283851. The next prime is 879251283857. The reversal of 879251283856 is 658382152978.

The square root of 879251283856 is 937684.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 844774221456 + 34477062400 = 919116^2 + 185680^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (879251283851) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4167067591 + ... + 4167067801.

Almost surely, 2^879251283856 is an apocalyptic number.

879251283856 is the 937684-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 879251283856

879251283856 is an abundant number, since it is smaller than the sum of its proper divisors (1020973856321).

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

879251283856 is a wasteful number, since it uses less digits than its factorization.

879251283856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 325 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 64.

Multiplying 879251283856 by its sum of digits (64), we get a square (56272082166784 = 7501472²).

The spelling of 879251283856 in words is "eight hundred seventy-nine billion, two hundred fifty-one million, two hundred eighty-three thousand, eight hundred fifty-six".