27085505 has 8 divisors (see below), whose sum is σ = 34414632. Its totient is φ = 20393728.

The previous prime is 27085481. The next prime is 27085511. The reversal of 27085505 is 50558072.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13075456 + 14010049 = 3616^2 + 3743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27085505 - 2⁶ = 27085441 is a prime.

It is a super-2 number, since 2×27085505² = 1467249162210050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159242 + ... + 159411.

It is an arithmetic number, because the mean of its divisors is an integer number (4301829).

Almost surely, 2^27085505 is an apocalyptic number.

It is an amenable number.

27085505 is a deficient number, since it is larger than the sum of its proper divisors (7329127).

27085505 is a wasteful number, since it uses less digits than its factorization.

27085505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318675.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 27085505 is about 5204.3736414673. The cubic root of 27085505 is about 300.3163514737.

The spelling of 27085505 in words is "twenty-seven million, eighty-five thousand, five hundred five".