8505880 has 32 divisors (see below), whose sum is σ = 19225440. Its totient is φ = 3386880.

The previous prime is 8505859. The next prime is 8505881. The reversal of 8505880 is 885058.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8505881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13165 + ... + 13795.

It is an arithmetic number, because the mean of its divisors is an integer number (600795).

Almost surely, 2^8505880 is an apocalyptic number.

It is an amenable number.

8505880 is an abundant number, since it is smaller than the sum of its proper divisors (10719560).

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

8505880 is a wasteful number, since it uses less digits than its factorization.

8505880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 34.

The square root of 8505880 is about 2916.4841847677. The cubic root of 8505880 is about 204.1298033311.

The spelling of 8505880 in words is "eight million, five hundred five thousand, eight hundred eighty".