89000565 has 16 divisors (see below), whose sum is σ = 147312000. Its totient is φ = 45829952.

The previous prime is 89000557. The next prime is 89000573. The reversal of 89000565 is 56500098.

It is an interprime number because it is at equal distance from previous prime (89000557) and next prime (89000573).

It is a cyclic number.

It is not a de Polignac number, because 89000565 - 2³ = 89000557 is a prime.

It is a super-2 number, since 2×89000565² = 15842201140638450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 101865 + ... + 102734.

It is an arithmetic number, because the mean of its divisors is an integer number (9207000).

Almost surely, 2^89000565 is an apocalyptic number.

It is an amenable number.

89000565 is a deficient number, since it is larger than the sum of its proper divisors (58311435).

89000565 is a wasteful number, since it uses less digits than its factorization.

89000565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204636.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 89000565 is about 9434.0110769492. The cubic root of 89000565 is about 446.4754543433.

The spelling of 89000565 in words is "eighty-nine million, five hundred sixty-five", and thus it is an aban number.