89953668 has 36 divisors (see below), whose sum is σ = 259866880. Its totient is φ = 25700976.

The previous prime is 89953651. The next prime is 89953673. The reversal of 89953668 is 86635998.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178228 + ... + 178731.

Almost surely, 2^89953668 is an apocalyptic number.

It is an amenable number.

89953668 is an abundant number, since it is smaller than the sum of its proper divisors (169913212).

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

89953668 is a wasteful number, since it uses less digits than its factorization.

89953668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356976 (or 356971 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 89953668 is about 9484.3907553411. The cubic root of 89953668 is about 448.0635605503.

The spelling of 89953668 in words is "eighty-nine million, nine hundred fifty-three thousand, six hundred sixty-eight".