89711888 has 20 divisors (see below), whose sum is σ = 198648000. Its totient is φ = 38447904.

The previous prime is 89711887. The next prime is 89711927. The reversal of 89711888 is 88811798.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (89711887) 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, 400388 + ... + 400611.

It is an arithmetic number, because the mean of its divisors is an integer number (9932400).

Almost surely, 2^89711888 is an apocalyptic number.

It is an amenable number.

89711888 is an abundant number, since it is smaller than the sum of its proper divisors (108936112).

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

89711888 is a wasteful number, since it uses less digits than its factorization.

89711888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801014 (or 801008 counting only the distinct ones).

The product of its digits is 258048, while the sum is 50.

The square root of 89711888 is about 9471.6359727346. The cubic root of 89711888 is about 447.6617610637.

The spelling of 89711888 in words is "eighty-nine million, seven hundred eleven thousand, eight hundred eighty-eight".