27853117 has 2 divisors, whose sum is σ = 27853118. Its totient is φ = 27853116.

The previous prime is 27853103. The next prime is 27853139. The reversal of 27853117 is 71135872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18156121 + 9696996 = 4261^2 + 3114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27853117 is a prime.

It is a super-2 number, since 2×27853117² = 1551592253231378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27853817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13926558 + 13926559.

It is an arithmetic number, because the mean of its divisors is an integer number (13926559).

Almost surely, 2^27853117 is an apocalyptic number.

It is an amenable number.

27853117 is a deficient number, since it is larger than the sum of its proper divisors (1).

27853117 is an equidigital number, since it uses as much as digits as its factorization.

27853117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 34.

The square root of 27853117 is about 5277.6052334368. The cubic root of 27853117 is about 303.1269858799.

Adding to 27853117 its reverse (71135872), we get a palindrome (98988989).

The spelling of 27853117 in words is "twenty-seven million, eight hundred fifty-three thousand, one hundred seventeen".