27109028 has 12 divisors (see below), whose sum is σ = 47579952. Its totient is φ = 13514760.

The previous prime is 27109001. The next prime is 27109037. The reversal of 27109028 is 82090172.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 8378 + ... + 11153.

It is an arithmetic number, because the mean of its divisors is an integer number (3964996).

Almost surely, 2^27109028 is an apocalyptic number.

It is an amenable number.

27109028 is a deficient number, since it is larger than the sum of its proper divisors (20470924).

27109028 is a wasteful number, since it uses less digits than its factorization.

27109028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19882 (or 19880 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 27109028 is about 5206.6330771430. The cubic root of 27109028 is about 300.4032650887.

The spelling of 27109028 in words is "twenty-seven million, one hundred nine thousand, twenty-eight".