89988884 has 12 divisors (see below), whose sum is σ = 161737044. Its totient is φ = 43778304.

The previous prime is 89988881. The next prime is 89988887. The reversal of 89988884 is 48888998.

It is an interprime number because it is at equal distance from previous prime (89988881) and next prime (89988887).

It can be written as a sum of positive squares in 2 ways, for example, as 56580484 + 33408400 = 7522^2 + 5780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89988881) 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, 303869 + ... + 304164.

It is an arithmetic number, because the mean of its divisors is an integer number (13478087).

Almost surely, 2^89988884 is an apocalyptic number.

It is an amenable number.

89988884 is a deficient number, since it is larger than the sum of its proper divisors (71748160).

89988884 is a wasteful number, since it uses less digits than its factorization.

89988884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608074 (or 608072 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 62.

The square root of 89988884 is about 9486.2470977726. The cubic root of 89988884 is about 448.1220237867.

The spelling of 89988884 in words is "eighty-nine million, nine hundred eighty-eight thousand, eight hundred eighty-four".