85597000 has 32 divisors (see below), whose sum is σ = 200299320. Its totient is φ = 34238400.

The previous prime is 85596967. The next prime is 85597013. The reversal of 85597000 is 79558.

It can be written as a sum of positive squares in 4 ways, for example, as 4848804 + 80748196 = 2202^2 + 8986^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 41799 + ... + 43798.

Almost surely, 2^85597000 is an apocalyptic number.

It is an amenable number.

85597000 is an abundant number, since it is smaller than the sum of its proper divisors (114702320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85597000 is a wasteful number, since it uses less digits than its factorization.

85597000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85618 (or 85604 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 85597000 is about 9251.8646769178. The cubic root of 85597000 is about 440.7099420434.

The spelling of 85597000 in words is "eighty-five million, five hundred ninety-seven thousand".