27886794 has 64 divisors (see below), whose sum is σ = 65372160. Its totient is φ = 7853760.

The previous prime is 27886757. The next prime is 27886799. The reversal of 27886794 is 49768872.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27886799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45639 + ... + 46245.

It is an arithmetic number, because the mean of its divisors is an integer number (1021440).

Almost surely, 2^27886794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27886794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32686080).

27886794 is an abundant number, since it is smaller than the sum of its proper divisors (37485366).

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

27886794 is a wasteful number, since it uses less digits than its factorization.

27886794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675.

The product of its digits is 1354752, while the sum is 51.

The square root of 27886794 is about 5280.7948265389. The cubic root of 27886794 is about 303.2491062152.

It can be divided in two parts, 27886 and 794, that added together give a triangular number (28680 = T₂₃₉).

The spelling of 27886794 in words is "twenty-seven million, eight hundred eighty-six thousand, seven hundred ninety-four".