27106897 has 4 divisors (see below), whose sum is σ = 27120996. Its totient is φ = 27092800.

The previous prime is 27106889. The next prime is 27106931. The reversal of 27106897 is 79860172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13571856 + 13535041 = 3684^2 + 3679^2 .

It is a cyclic number.

It is not a de Polignac number, because 27106897 - 2³ = 27106889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27106837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3604 + ... + 8197.

It is an arithmetic number, because the mean of its divisors is an integer number (6780249).

Almost surely, 2^27106897 is an apocalyptic number.

It is an amenable number.

27106897 is a deficient number, since it is larger than the sum of its proper divisors (14099).

27106897 is a wasteful number, since it uses less digits than its factorization.

27106897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14098.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 27106897 is about 5206.4284303157. The cubic root of 27106897 is about 300.3953934659.

The spelling of 27106897 in words is "twenty-seven million, one hundred six thousand, eight hundred ninety-seven".