89964863 has 4 divisors (see below), whose sum is σ = 90467640. Its totient is φ = 89462088.

The previous prime is 89964857. The next prime is 89964869. The reversal of 89964863 is 36846998.

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

It is an interprime number because it is at equal distance from previous prime (89964857) and next prime (89964869).

It is a cyclic number.

It is not a de Polignac number, because 89964863 - 2⁸ = 89964607 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 (89964869) 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, 251120 + ... + 251477.

It is an arithmetic number, because the mean of its divisors is an integer number (22616910).

Almost surely, 2^89964863 is an apocalyptic number.

89964863 is a deficient number, since it is larger than the sum of its proper divisors (502777).

89964863 is a wasteful number, since it uses less digits than its factorization.

89964863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502776.

The product of its digits is 2239488, while the sum is 53.

The square root of 89964863 is about 9484.9809172185. The cubic root of 89964863 is about 448.0821473910.

The spelling of 89964863 in words is "eighty-nine million, nine hundred sixty-four thousand, eight hundred sixty-three".