89116668 has 36 divisors (see below), whose sum is σ = 229090680. Its totient is φ = 29201376.

The previous prime is 89116667. The next prime is 89116673. The reversal of 89116668 is 86661198.

It is a happy number.

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

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89116663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18855 + ... + 23102.

It is an arithmetic number, because the mean of its divisors is an integer number (6363630).

Almost surely, 2^89116668 is an apocalyptic number.

It is an amenable number.

89116668 is an abundant number, since it is smaller than the sum of its proper divisors (139974012).

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

89116668 is a wasteful number, since it uses less digits than its factorization.

89116668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42026 (or 42021 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 89116668 is about 9440.1624986014. The cubic root of 89116668 is about 446.6695153404.

The spelling of 89116668 in words is "eighty-nine million, one hundred sixteen thousand, six hundred sixty-eight".