27210368117 has 2 divisors, whose sum is σ = 27210368118. Its totient is φ = 27210368116.

The previous prime is 27210368111. The next prime is 27210368161. The reversal of 27210368117 is 71186301272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15048910276 + 12161457841 = 122674^2 + 110279^2 .

It is a cyclic number.

It is not a de Polignac number, because 27210368117 - 2⁸ = 27210367861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27210368111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13605184058 + 13605184059.

It is an arithmetic number, because the mean of its divisors is an integer number (13605184059).

Almost surely, 2^27210368117 is an apocalyptic number.

It is an amenable number.

27210368117 is a deficient number, since it is larger than the sum of its proper divisors (1).

27210368117 is an equidigital number, since it uses as much as digits as its factorization.

27210368117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

Adding to 27210368117 its reverse (71186301272), we get a palindrome (98396669389).

The spelling of 27210368117 in words is "twenty-seven billion, two hundred ten million, three hundred sixty-eight thousand, one hundred seventeen".