89918080 has 64 divisors (see below), whose sum is σ = 245681280. Its totient is φ = 30827520.

The previous prime is 89918057. The next prime is 89918093. The reversal of 89918080 is 8081998.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×89918080² = 16170522221772800, which contains 22 as substring.

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, 5556 + ... + 14515.

It is an arithmetic number, because the mean of its divisors is an integer number (3838770).

Almost surely, 2^89918080 is an apocalyptic number.

89918080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89918080 is an abundant number, since it is smaller than the sum of its proper divisors (155763200).

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

89918080 is a wasteful number, since it uses less digits than its factorization.

89918080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20097 (or 20085 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 89918080 is about 9482.5144344736. The cubic root of 89918080 is about 448.0044642412.

It can be divided in two parts, 8991 and 8080, that added together give a palindrome (17071).

The spelling of 89918080 in words is "eighty-nine million, nine hundred eighteen thousand, eighty".