89668648 has 16 divisors (see below), whose sum is σ = 168376500. Its totient is φ = 44768256.

The previous prime is 89668639. The next prime is 89668661. The reversal of 89668648 is 84686698.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68856804 + 20811844 = 8298^2 + 4562^2 .

It is an unprimeable number.

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, 2233 + ... + 13576.

Almost surely, 2^89668648 is an apocalyptic number.

It is an amenable number.

89668648 is a deficient number, since it is larger than the sum of its proper divisors (78707852).

89668648 is a wasteful number, since it uses less digits than its factorization.

89668648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16524 (or 16520 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 55.

The square root of 89668648 is about 9469.3530930048. The cubic root of 89668648 is about 447.5898270620.

The spelling of 89668648 in words is "eighty-nine million, six hundred sixty-eight thousand, six hundred forty-eight".