27081868 has 12 divisors (see below), whose sum is σ = 51701832. Its totient is φ = 12309920.

The previous prime is 27081863. The next prime is 27081877. The reversal of 27081868 is 86818072.

It is a self number, because there is not a number n which added to its sum of digits gives 27081868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27081863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 307705 + ... + 307792.

It is an arithmetic number, because the mean of its divisors is an integer number (4308486).

Almost surely, 2^27081868 is an apocalyptic number.

It is an amenable number.

27081868 is a deficient number, since it is larger than the sum of its proper divisors (24619964).

27081868 is a wasteful number, since it uses less digits than its factorization.

27081868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615512 (or 615510 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 27081868 is about 5204.0242120882. The cubic root of 27081868 is about 300.3029088659.

The spelling of 27081868 in words is "twenty-seven million, eighty-one thousand, eight hundred sixty-eight".