878847520 has 96 divisors (see below), whose sum is σ = 2158119936. Its totient is φ = 337843200.

The previous prime is 878847517. The next prime is 878847533. The reversal of 878847520 is 25748878.

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, 827790 + ... + 828850.

It is an arithmetic number, because the mean of its divisors is an integer number (22480416).

Almost surely, 2^878847520 is an apocalyptic number.

878847520 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 878847520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079059968).

878847520 is an abundant number, since it is smaller than the sum of its proper divisors (1279272416).

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

878847520 is a wasteful number, since it uses less digits than its factorization.

878847520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 49.

The square root of 878847520 is about 29645.3625378406. The cubic root of 878847520 is about 957.8654541457.

The spelling of 878847520 in words is "eight hundred seventy-eight million, eight hundred forty-seven thousand, five hundred twenty".