27163117 has 4 divisors (see below), whose sum is σ = 27608476. Its totient is φ = 26717760.

The previous prime is 27163091. The next prime is 27163139. The reversal of 27163117 is 71136172.

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 2223081 + 24940036 = 1491^2 + 4994^2 .

It is a cyclic number.

It is not a de Polignac number, because 27163117 - 2¹⁵ = 27130349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27163177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222588 + ... + 222709.

It is an arithmetic number, because the mean of its divisors is an integer number (6902119).

Almost surely, 2^27163117 is an apocalyptic number.

It is an amenable number.

27163117 is a deficient number, since it is larger than the sum of its proper divisors (445359).

27163117 is an equidigital number, since it uses as much as digits as its factorization.

27163117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445358.

The product of its digits is 1764, while the sum is 28.

The square root of 27163117 is about 5211.8247284420. The cubic root of 27163117 is about 300.6029244988.

Adding to 27163117 its reverse (71136172), we get a palindrome (98299289).

The spelling of 27163117 in words is "twenty-seven million, one hundred sixty-three thousand, one hundred seventeen".