8663880 has 128 divisors (see below), whose sum is σ = 28615680. Its totient is φ = 2088960.

The previous prime is 8663869. The next prime is 8663899. The reversal of 8663880 is 883668.

8663880 is nontrivially palindromic in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63172 + ... + 63308.

It is an arithmetic number, because the mean of its divisors is an integer number (223560).

Almost surely, 2^8663880 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 8663880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14307840).

8663880 is an abundant number, since it is smaller than the sum of its proper divisors (19951800).

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

8663880 is a wasteful number, since it uses less digits than its factorization.

8663880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 8663880 is about 2943.4469589242. The cubic root of 8663880 is about 205.3859870403.

The spelling of 8663880 in words is "eight million, six hundred sixty-three thousand, eight hundred eighty".