89885188 has 12 divisors (see below), whose sum is σ = 166552092. Its totient is φ = 42298880.

The previous prime is 89885183. The next prime is 89885189. The reversal of 89885188 is 88158898.

It can be written as a sum of positive squares in 2 ways, for example, as 80138304 + 9746884 = 8952^2 + 3122^2 .

It is not an unprimeable number, because it can be changed into a prime (89885183) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 660853 + ... + 660988.

It is an arithmetic number, because the mean of its divisors is an integer number (13879341).

Almost surely, 2^89885188 is an apocalyptic number.

It is an amenable number.

89885188 is a deficient number, since it is larger than the sum of its proper divisors (76666904).

89885188 is a wasteful number, since it uses less digits than its factorization.

89885188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321862 (or 1321860 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 55.

The square root of 89885188 is about 9480.7799257234. The cubic root of 89885188 is about 447.9498309573.

The spelling of 89885188 in words is "eighty-nine million, eight hundred eighty-five thousand, one hundred eighty-eight".