85502860 has 48 divisors (see below), whose sum is σ = 191249856. Its totient is φ = 31997952.

The previous prime is 85502839. The next prime is 85502861. The reversal of 85502860 is 6820558.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (85502861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64969 + ... + 66271.

It is an arithmetic number, because the mean of its divisors is an integer number (3984372).

Almost surely, 2^85502860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85502860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95624928).

85502860 is an abundant number, since it is smaller than the sum of its proper divisors (105746996).

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

85502860 is a wasteful number, since it uses less digits than its factorization.

85502860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 85502860 is about 9246.7756542483. The cubic root of 85502860 is about 440.5483177927.

The spelling of 85502860 in words is "eighty-five million, five hundred two thousand, eight hundred sixty".