8688880 has 40 divisors (see below), whose sum is σ = 20324592. Its totient is φ = 3454464.

The previous prime is 8688863. The next prime is 8688919. The reversal of 8688880 is 888868.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8688880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24867 + ... + 25213.

Almost surely, 2^8688880 is an apocalyptic number.

8688880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8688880 is an abundant number, since it is smaller than the sum of its proper divisors (11635712).

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

8688880 is a wasteful number, since it uses less digits than its factorization.

8688880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 46.

The square root of 8688880 is about 2947.6906214866. The cubic root of 8688880 is about 205.5833473772.

It can be divided in two parts, 86888 and 80, that added together give a palindrome (86968).

The spelling of 8688880 in words is "eight million, six hundred eighty-eight thousand, eight hundred eighty".