27808084 has 12 divisors (see below), whose sum is σ = 48874644. Its totient is φ = 13843904.

The previous prime is 27808069. The next prime is 27808103. The reversal of 27808084 is 48080872.

It can be written as a sum of positive squares in 2 ways, for example, as 3027600 + 24780484 = 1740^2 + 4978^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13987 + ... + 15850.

It is an arithmetic number, because the mean of its divisors is an integer number (4072887).

Almost surely, 2^27808084 is an apocalyptic number.

It is an amenable number.

27808084 is a deficient number, since it is larger than the sum of its proper divisors (21066560).

27808084 is a wasteful number, since it uses less digits than its factorization.

27808084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30074 (or 30072 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 27808084 is about 5273.3370838588. The cubic root of 27808084 is about 302.9635322288.

The spelling of 27808084 in words is "twenty-seven million, eight hundred eight thousand, eighty-four".