27086864 has 20 divisors (see below), whose sum is σ = 59978304. Its totient is φ = 11608608.

The previous prime is 27086803. The next prime is 27086881. The reversal of 27086864 is 46868072.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120812 + ... + 121035.

Almost surely, 2^27086864 is an apocalyptic number.

It is an amenable number.

27086864 is an abundant number, since it is smaller than the sum of its proper divisors (32891440).

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

27086864 is a wasteful number, since it uses less digits than its factorization.

27086864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241862 (or 241856 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 27086864 is about 5204.5042030918. The cubic root of 27086864 is about 300.3213741245.

The spelling of 27086864 in words is "twenty-seven million, eighty-six thousand, eight hundred sixty-four".