85889265 has 32 divisors (see below), whose sum is σ = 171334656. Its totient is φ = 35693760.

The previous prime is 85889261. The next prime is 85889311. The reversal of 85889265 is 56298858.

It is not a de Polignac number, because 85889265 - 2² = 85889261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85889261) 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 31 ways as a sum of consecutive naturals, for example, 36027 + ... + 38336.

It is an arithmetic number, because the mean of its divisors is an integer number (5354208).

Almost surely, 2^85889265 is an apocalyptic number.

It is an amenable number.

85889265 is a deficient number, since it is larger than the sum of its proper divisors (85445391).

85889265 is a wasteful number, since it uses less digits than its factorization.

85889265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74389.

The product of its digits is 1382400, while the sum is 51.

The square root of 85889265 is about 9267.6461412810. The cubic root of 85889265 is about 441.2109633842.

The spelling of 85889265 in words is "eighty-five million, eight hundred eighty-nine thousand, two hundred sixty-five".