85597868 has 12 divisors (see below), whose sum is σ = 150874920. Its totient is φ = 42490752.

The previous prime is 85597867. The next prime is 85597871. The reversal of 85597868 is 86879558.

It is a super-2 number, since 2×85597868² = 14653990012290848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85597867) 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 3 ways as a sum of consecutive naturals, for example, 76421 + ... + 77532.

It is an arithmetic number, because the mean of its divisors is an integer number (12572910).

Almost surely, 2^85597868 is an apocalyptic number.

It is an amenable number.

85597868 is a deficient number, since it is larger than the sum of its proper divisors (65277052).

85597868 is a wasteful number, since it uses less digits than its factorization.

85597868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154096 (or 154094 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 56.

The square root of 85597868 is about 9251.9115862615. The cubic root of 85597868 is about 440.7114317176.

The spelling of 85597868 in words is "eighty-five million, five hundred ninety-seven thousand, eight hundred sixty-eight".