27606897 has 6 divisors (see below), whose sum is σ = 39876642. Its totient is φ = 18404592.

The previous prime is 27606893. The next prime is 27606919. The reversal of 27606897 is 79860672.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25644096 + 1962801 = 5064^2 + 1401^2 .

It is not a de Polignac number, because 27606897 - 2² = 27606893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27606893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1533708 + ... + 1533725.

It is an arithmetic number, because the mean of its divisors is an integer number (6646107).

Almost surely, 2^27606897 is an apocalyptic number.

It is an amenable number.

27606897 is a deficient number, since it is larger than the sum of its proper divisors (12269745).

27606897 is a wasteful number, since it uses less digits than its factorization.

27606897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067439 (or 3067436 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 27606897 is about 5254.2265843795. The cubic root of 27606897 is about 302.2311323596.

The spelling of 27606897 in words is "twenty-seven million, six hundred six thousand, eight hundred ninety-seven".