27686893 has 8 divisors (see below), whose sum is σ = 30195200. Its totient is φ = 25232688.

The previous prime is 27686881. The next prime is 27686899. The reversal of 27686893 is 39868672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27686893 - 2⁵ = 27686861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27686899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12453 + ... + 14506.

It is an arithmetic number, because the mean of its divisors is an integer number (3774400).

Almost surely, 2^27686893 is an apocalyptic number.

It is an amenable number.

27686893 is a deficient number, since it is larger than the sum of its proper divisors (2508307).

27686893 is a wasteful number, since it uses less digits than its factorization.

27686893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27051.

The product of its digits is 870912, while the sum is 49.

The square root of 27686893 is about 5261.8336157655. The cubic root of 27686893 is about 302.5227740521.

The spelling of 27686893 in words is "twenty-seven million, six hundred eighty-six thousand, eight hundred ninety-three".