27656856 has 128 divisors (see below), whose sum is σ = 84672000. Its totient is φ = 8325504.

The previous prime is 27656809. The next prime is 27656857. The reversal of 27656856 is 65865672.

Its product of digits (604800) is a multiple of the sum of its prime factors (350).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27656857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94246 + ... + 94538.

It is an arithmetic number, because the mean of its divisors is an integer number (661500).

Almost surely, 2^27656856 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 27656856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42336000).

27656856 is an abundant number, since it is smaller than the sum of its proper divisors (57015144).

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

27656856 is a wasteful number, since it uses less digits than its factorization.

27656856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 340 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 27656856 is about 5258.9786080569. The cubic root of 27656856 is about 302.4133340051.

The spelling of 27656856 in words is "twenty-seven million, six hundred fifty-six thousand, eight hundred fifty-six".