27147085 has 16 divisors (see below), whose sum is σ = 38238336. Its totient is φ = 18111168.

The previous prime is 27147073. The next prime is 27147091. The reversal of 27147085 is 58074172.

27147085 = 186² + 187² + ... + 444².

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 27147085 - 2⁷ = 27146957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27147085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9187 + ... + 11776.

It is an arithmetic number, because the mean of its divisors is an integer number (2389896).

Almost surely, 2^27147085 is an apocalyptic number.

It is an amenable number.

27147085 is a deficient number, since it is larger than the sum of its proper divisors (11091251).

27147085 is a wasteful number, since it uses less digits than its factorization.

27147085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21012.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 27147085 is about 5210.2864604549. The cubic root of 27147085 is about 300.5437730334.

The spelling of 27147085 in words is "twenty-seven million, one hundred forty-seven thousand, eighty-five".