27861882 has 16 divisors (see below), whose sum is σ = 56909952. Its totient is φ = 9089600.

The previous prime is 27861877. The next prime is 27861931. The reversal of 27861882 is 28816872.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49119 + ... + 49682.

It is an arithmetic number, because the mean of its divisors is an integer number (3556872).

Almost surely, 2^27861882 is an apocalyptic number.

27861882 is an abundant number, since it is smaller than the sum of its proper divisors (29048070).

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

27861882 is a wasteful number, since it uses less digits than its factorization.

27861882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98853.

The product of its digits is 86016, while the sum is 42.

The square root of 27861882 is about 5278.4355636874. The cubic root of 27861882 is about 303.1587792023.

The spelling of 27861882 in words is "twenty-seven million, eight hundred sixty-one thousand, eight hundred eighty-two".