27059985 has 12 divisors (see below), whose sum is σ = 46904052. Its totient is φ = 14431968.

The previous prime is 27059957. The next prime is 27059999. The reversal of 27059985 is 58995072.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14379264 + 12680721 = 3792^2 + 3561^2 .

It is not a de Polignac number, because 27059985 - 2⁵ = 27059953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 601333 = 27059985 / (2 + 7 + 0 + 5 + 9 + 9 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 27059985.

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 11 ways as a sum of consecutive naturals, for example, 300622 + ... + 300711.

It is an arithmetic number, because the mean of its divisors is an integer number (3908671).

Almost surely, 2^27059985 is an apocalyptic number.

It is an amenable number.

27059985 is a deficient number, since it is larger than the sum of its proper divisors (19844067).

27059985 is a wasteful number, since it uses less digits than its factorization.

27059985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601344 (or 601341 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 27059985 is about 5201.9212796812. The cubic root of 27059985 is about 300.2220023427. Note that the first 3 decimals are identical.

The spelling of 27059985 in words is "twenty-seven million, fifty-nine thousand, nine hundred eighty-five".