89272999 has 4 divisors (see below), whose sum is σ = 89976064. Its totient is φ = 88569936.

The previous prime is 89272987. The next prime is 89273003. The reversal of 89272999 is 99927298.

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-89272999 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 (89272969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351342 + ... + 351595.

It is an arithmetic number, because the mean of its divisors is an integer number (22494016).

Almost surely, 2^89272999 is an apocalyptic number.

89272999 is a deficient number, since it is larger than the sum of its proper divisors (703065).

89272999 is a wasteful number, since it uses less digits than its factorization.

89272999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703064.

The product of its digits is 1469664, while the sum is 55.

The square root of 89272999 is about 9448.4389715974. The cubic root of 89272999 is about 446.9305495618.

The spelling of 89272999 in words is "eighty-nine million, two hundred seventy-two thousand, nine hundred ninety-nine".