85867056 has 120 divisors (see below), whose sum is σ = 264625920. Its totient is φ = 25776000.

The previous prime is 85867043. The next prime is 85867081. The reversal of 85867056 is 65076858.

It is a super-2 number, since 2×85867056² = 14746302612214272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239005 + ... + 239363.

It is an arithmetic number, because the mean of its divisors is an integer number (2205216).

Almost surely, 2^85867056 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 85867056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132312960).

85867056 is an abundant number, since it is smaller than the sum of its proper divisors (178758864).

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

85867056 is a wasteful number, since it uses less digits than its factorization.

85867056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 85867056 is about 9266.4478631243. The cubic root of 85867056 is about 441.1729310838.

The spelling of 85867056 in words is "eighty-five million, eight hundred sixty-seven thousand, fifty-six".