89028575 has 24 divisors (see below), whose sum is σ = 119403072. Its totient is φ = 65592320.

The previous prime is 89028557. The next prime is 89028587. The reversal of 89028575 is 57582098.

It is a de Polignac number, because none of the positive numbers 2^k-89028575 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17747 + ... + 22203.

It is an arithmetic number, because the mean of its divisors is an integer number (4975128).

Almost surely, 2^89028575 is an apocalyptic number.

89028575 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

89028575 is a deficient number, since it is larger than the sum of its proper divisors (30374497).

89028575 is a wasteful number, since it uses less digits than its factorization.

89028575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531 (or 4526 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 89028575 is about 9435.4954824853. The cubic root of 89028575 is about 446.5222872512.

The spelling of 89028575 in words is "eighty-nine million, twenty-eight thousand, five hundred seventy-five".