89663888 has 20 divisors (see below), whose sum is σ = 182867760. Its totient is φ = 42472224.

The previous prime is 89663837. The next prime is 89663923. The reversal of 89663888 is 88836698.

It is a super-2 number, since 2×89663888² = 16079225622553088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147170 + ... + 147777.

It is an arithmetic number, because the mean of its divisors is an integer number (9143388).

Almost surely, 2^89663888 is an apocalyptic number.

It is an amenable number.

89663888 is an abundant number, since it is smaller than the sum of its proper divisors (93203872).

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

89663888 is a wasteful number, since it uses less digits than its factorization.

89663888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294974 (or 294968 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 56.

The square root of 89663888 is about 9469.1017525423. The cubic root of 89663888 is about 447.5819069200.

The spelling of 89663888 in words is "eighty-nine million, six hundred sixty-three thousand, eight hundred eighty-eight".