85660260 has 48 divisors (see below), whose sum is σ = 274114176. Its totient is φ = 19579392.

The previous prime is 85660247. The next prime is 85660261. The reversal of 85660260 is 6206658.

It is not an unprimeable number, because it can be changed into a prime (85660261) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 101557 + ... + 102396.

It is an arithmetic number, because the mean of its divisors is an integer number (5710712).

Almost surely, 2^85660260 is an apocalyptic number.

It is an amenable number.

85660260 is an abundant number, since it is smaller than the sum of its proper divisors (188453916).

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

85660260 is a wasteful number, since it uses less digits than its factorization.

85660260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203972 (or 203970 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 85660260 is about 9255.2828157761. The cubic root of 85660260 is about 440.8184834087.

It can be divided in two parts, 856 and 60260, that added together give a palindrome (61116).

The spelling of 85660260 in words is "eighty-five million, six hundred sixty thousand, two hundred sixty".