27086856 has 64 divisors (see below), whose sum is σ = 71884800. Its totient is φ = 8481600.

The previous prime is 27086803. The next prime is 27086881. The reversal of 27086856 is 65868072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86941 + ... + 87251.

It is an arithmetic number, because the mean of its divisors is an integer number (1123200).

Almost surely, 2^27086856 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 27086856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35942400).

27086856 is an abundant number, since it is smaller than the sum of its proper divisors (44797944).

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

27086856 is a wasteful number, since it uses less digits than its factorization.

27086856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 27086856 is about 5204.5034345267. The cubic root of 27086856 is about 300.3213445582.

The spelling of 27086856 in words is "twenty-seven million, eighty-six thousand, eight hundred fifty-six".