878757424320 has 112 divisors (see below), whose sum is σ = 2792274750720. Its totient is φ = 234148862976.

The previous prime is 878757424319. The next prime is 878757424331. The reversal of 878757424320 is 23424757878.

It is a super-2 number, since 2×878757424320² (a number of 25 digits) contains 22 as substring.

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, 845109 + ... + 1572171.

It is an arithmetic number, because the mean of its divisors is an integer number (24931024560).

Almost surely, 2^878757424320 is an apocalyptic number.

878757424320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878757424320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1396137375360).

878757424320 is an abundant number, since it is smaller than the sum of its proper divisors (1913517326400).

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

878757424320 is a wasteful number, since it uses less digits than its factorization.

878757424320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728342 (or 728332 counting only the distinct ones).

The product of its (nonzero) digits is 21073920, while the sum is 57.

The spelling of 878757424320 in words is "eight hundred seventy-eight billion, seven hundred fifty-seven million, four hundred twenty-four thousand, three hundred twenty".