89215065 has 48 divisors (see below), whose sum is σ = 165110400. Its totient is φ = 44407296.

The previous prime is 89215043. The next prime is 89215069. The reversal of 89215065 is 56051298.

It is a happy number.

It is not a de Polignac number, because 89215065 - 2⁵ = 89215033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89215069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105916 + ... + 106754.

It is an arithmetic number, because the mean of its divisors is an integer number (3439800).

Almost surely, 2^89215065 is an apocalyptic number.

89215065 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

89215065 is a deficient number, since it is larger than the sum of its proper divisors (75895335).

89215065 is a wasteful number, since it uses less digits than its factorization.

89215065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 89215065 is about 9445.3726766073. The cubic root of 89215065 is about 446.8338496348.

The spelling of 89215065 in words is "eighty-nine million, two hundred fifteen thousand, sixty-five".