8668880 has 40 divisors (see below), whose sum is σ = 21989664. Its totient is φ = 3152000.

The previous prime is 8668873. The next prime is 8668889. The reversal of 8668880 is 888668.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8668889) 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, 4046 + ... + 5805.

Almost surely, 2^8668880 is an apocalyptic number.

8668880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8668880 is an abundant number, since it is smaller than the sum of its proper divisors (13320784).

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

8668880 is a wasteful number, since it uses less digits than its factorization.

8668880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9875 (or 9869 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 8668880 is about 2944.2961807536. The cubic root of 8668880 is about 205.4254894514.

It can be divided in two parts, 86688 and 80, that added together give a palindrome (86768).

The spelling of 8668880 in words is "eight million, six hundred sixty-eight thousand, eight hundred eighty".