89599087 has 4 divisors (see below), whose sum is σ = 89791416. Its totient is φ = 89406760.

The previous prime is 89599073. The next prime is 89599091. The reversal of 89599087 is 78099598.

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-89599087 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 (89549087) 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, 95464 + ... + 96397.

It is an arithmetic number, because the mean of its divisors is an integer number (22447854).

Almost surely, 2^89599087 is an apocalyptic number.

89599087 is a deficient number, since it is larger than the sum of its proper divisors (192329).

89599087 is a wasteful number, since it uses less digits than its factorization.

89599087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192328.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The square root of 89599087 is about 9465.6794262219. The cubic root of 89599087 is about 447.4740569420.

The spelling of 89599087 in words is "eighty-nine million, five hundred ninety-nine thousand, eighty-seven".