89308663 has 4 divisors (see below), whose sum is σ = 89908200. Its totient is φ = 88709128.

The previous prime is 89308651. The next prime is 89308673. The reversal of 89308663 is 36680398.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89308663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89308643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299545 + ... + 299842.

It is an arithmetic number, because the mean of its divisors is an integer number (22477050).

Almost surely, 2^89308663 is an apocalyptic number.

89308663 is a deficient number, since it is larger than the sum of its proper divisors (599537).

89308663 is a wasteful number, since it uses less digits than its factorization.

89308663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599536.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 89308663 is about 9450.3260790303. The cubic root of 89308663 is about 446.9900569501.

The spelling of 89308663 in words is "eighty-nine million, three hundred eight thousand, six hundred sixty-three".