85988680 has 32 divisors (see below), whose sum is σ = 203659200. Its totient is φ = 32584896.

The previous prime is 85988659. The next prime is 85988681. The reversal of 85988680 is 8688958.

It is not an unprimeable number, because it can be changed into a prime (85988681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55812 + ... + 57331.

It is an arithmetic number, because the mean of its divisors is an integer number (6364350).

Almost surely, 2^85988680 is an apocalyptic number.

It is an amenable number.

85988680 is an abundant number, since it is smaller than the sum of its proper divisors (117670520).

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

85988680 is a wasteful number, since it uses less digits than its factorization.

85988680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113173 (or 113169 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 52.

The square root of 85988680 is about 9273.0081419138. The cubic root of 85988680 is about 441.3811285199.

It can be divided in two parts, 85988 and 680, that added together give a palindrome (86668).

The spelling of 85988680 in words is "eighty-five million, nine hundred eighty-eight thousand, six hundred eighty".