85489160 has 64 divisors (see below), whose sum is σ = 205476480. Its totient is φ = 31933440.

The previous prime is 85489123. The next prime is 85489163. The reversal of 85489160 is 6198458.

It is not an unprimeable number, because it can be changed into a prime (85489163) 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, 38480 + ... + 40640.

It is an arithmetic number, because the mean of its divisors is an integer number (3210570).

Almost surely, 2^85489160 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 85489160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102738240).

85489160 is an abundant number, since it is smaller than the sum of its proper divisors (119987320).

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

85489160 is a wasteful number, since it uses less digits than its factorization.

85489160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238 (or 2234 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 85489160 is about 9246.0348258051. The cubic root of 85489160 is about 440.5247870619.

The spelling of 85489160 in words is "eighty-five million, four hundred eighty-nine thousand, one hundred sixty".