89818080 has 96 divisors (see below), whose sum is σ = 308665728. Its totient is φ = 21772800.

The previous prime is 89818061. The next prime is 89818087. The reversal of 89818080 is 8081898.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89818087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3226 + ... + 13785.

It is an arithmetic number, because the mean of its divisors is an integer number (3215268).

Almost surely, 2^89818080 is an apocalyptic number.

89818080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89818080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154332864).

89818080 is an abundant number, since it is smaller than the sum of its proper divisors (218847648).

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

89818080 is a wasteful number, since it uses less digits than its factorization.

89818080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17040 (or 17032 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 42.

The square root of 89818080 is about 9477.2401045874. The cubic root of 89818080 is about 447.8383238886.

The spelling of 89818080 in words is "eighty-nine million, eight hundred eighteen thousand, eighty".