89599968 has 36 divisors (see below), whose sum is σ = 254800728. Its totient is φ = 29866560.

The previous prime is 89599963. The next prime is 89599969. The reversal of 89599968 is 86999598.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89599963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155268 + ... + 155843.

It is an arithmetic number, because the mean of its divisors is an integer number (7077798).

Almost surely, 2^89599968 is an apocalyptic number.

It is an amenable number.

89599968 is an abundant number, since it is smaller than the sum of its proper divisors (165200760).

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

89599968 is a wasteful number, since it uses less digits than its factorization.

89599968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311127 (or 311116 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 63.

The square root of 89599968 is about 9465.7259626507. The cubic root of 89599968 is about 447.4755235617.

The spelling of 89599968 in words is "eighty-nine million, five hundred ninety-nine thousand, nine hundred sixty-eight".