85889205 has 24 divisors (see below), whose sum is σ = 149835192. Its totient is φ = 45512064.

The previous prime is 85889201. The next prime is 85889261. The reversal of 85889205 is 50298858.

It can be written as a sum of positive squares in 4 ways, for example, as 400689 + 85488516 = 633^2 + 9246^2 .

It is not a de Polignac number, because 85889205 - 2² = 85889201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85889201) 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 23 ways as a sum of consecutive naturals, for example, 987 + ... + 13143.

It is an arithmetic number, because the mean of its divisors is an integer number (6243133).

Almost surely, 2^85889205 is an apocalyptic number.

It is an amenable number.

85889205 is a deficient number, since it is larger than the sum of its proper divisors (63945987).

85889205 is a wasteful number, since it uses less digits than its factorization.

85889205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12325 (or 12322 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The square root of 85889205 is about 9267.6429042125. The cubic root of 85889205 is about 441.2108606447.

The spelling of 85889205 in words is "eighty-five million, eight hundred eighty-nine thousand, two hundred five".