878608024656 has 80 divisors (see below), whose sum is σ = 2326508677248. Its totient is φ = 285552691200.

The previous prime is 878608024621. The next prime is 878608024667. The reversal of 878608024656 is 656420806878.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 878608024656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3126261 + ... + 3395691.

Almost surely, 2^878608024656 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 878608024656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1163254338624).

878608024656 is an abundant number, since it is smaller than the sum of its proper divisors (1447900652592).

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

878608024656 is a wasteful number, since it uses less digits than its factorization.

878608024656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271140 (or 271134 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 878608024656 in words is "eight hundred seventy-eight billion, six hundred eight million, twenty-four thousand, six hundred fifty-six".