89917080 has 128 divisors (see below), whose sum is σ = 311662080. Its totient is φ = 20510720.

The previous prime is 89917031. The next prime is 89917099. The reversal of 89917080 is 8071998.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20437 + ... + 24443.

It is an arithmetic number, because the mean of its divisors is an integer number (2434860).

Almost surely, 2^89917080 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 89917080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155831040).

89917080 is an abundant number, since it is smaller than the sum of its proper divisors (221745000).

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

89917080 is a wasteful number, since it uses less digits than its factorization.

89917080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049 (or 4045 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 89917080 is about 9482.4617056965. The cubic root of 89917080 is about 448.0028034476.

The spelling of 89917080 in words is "eighty-nine million, nine hundred seventeen thousand, eighty".