89275999 has 4 divisors (see below), whose sum is σ = 89699320. Its totient is φ = 88852680.

The previous prime is 89275981. The next prime is 89276023. The reversal of 89275999 is 99957298.

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-89275999 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 (89275919) 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, 211344 + ... + 211765.

It is an arithmetic number, because the mean of its divisors is an integer number (22424830).

Almost surely, 2^89275999 is an apocalyptic number.

89275999 is a deficient number, since it is larger than the sum of its proper divisors (423321).

89275999 is a wasteful number, since it uses less digits than its factorization.

89275999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423320.

The product of its digits is 3674160, while the sum is 58.

The square root of 89275999 is about 9448.5977266471. The cubic root of 89275999 is about 446.9355558409.

The spelling of 89275999 in words is "eighty-nine million, two hundred seventy-five thousand, nine hundred ninety-nine".