85985488 has 20 divisors (see below), whose sum is σ = 175365760. Its totient is φ = 40729824.

The previous prime is 85985443. The next prime is 85985489. The reversal of 85985488 is 88458958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85985489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141120 + ... + 141727.

It is an arithmetic number, because the mean of its divisors is an integer number (8768288).

Almost surely, 2^85985488 is an apocalyptic number.

It is an amenable number.

85985488 is an abundant number, since it is smaller than the sum of its proper divisors (89380272).

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

85985488 is a wasteful number, since it uses less digits than its factorization.

85985488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282874 (or 282868 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 55.

The square root of 85985488 is about 9272.8360278827. The cubic root of 85985488 is about 441.3756669251.

The spelling of 85985488 in words is "eighty-five million, nine hundred eighty-five thousand, four hundred eighty-eight".