89799888 has 80 divisors (see below), whose sum is σ = 242573760. Its totient is φ = 28597248.

The previous prime is 89799887. The next prime is 89799923. The reversal of 89799888 is 88899798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89799883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104356 + ... + 105212.

It is an arithmetic number, because the mean of its divisors is an integer number (3032172).

Almost surely, 2^89799888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89799888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121286880).

89799888 is an abundant number, since it is smaller than the sum of its proper divisors (152773872).

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

89799888 is a wasteful number, since it uses less digits than its factorization.

89799888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 958 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 66.

The square root of 89799888 is about 9476.2802828958. The cubic root of 89799888 is about 447.8080863800.

The spelling of 89799888 in words is "eighty-nine million, seven hundred ninety-nine thousand, eight hundred eighty-eight".