89616880 has 20 divisors (see below), whose sum is σ = 208359432. Its totient is φ = 35846720.

The previous prime is 89616871. The next prime is 89616881. The reversal of 89616880 is 8861698.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 89616880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89616881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560026 + ... + 560185.

Almost surely, 2^89616880 is an apocalyptic number.

89616880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89616880 is an abundant number, since it is smaller than the sum of its proper divisors (118742552).

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

89616880 is a wasteful number, since it uses less digits than its factorization.

89616880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120224 (or 1120218 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 89616880 is about 9466.6192487075. The cubic root of 89616880 is about 447.5036754689.

The spelling of 89616880 in words is "eighty-nine million, six hundred sixteen thousand, eight hundred eighty".