27304220717 has 2 divisors, whose sum is σ = 27304220718. Its totient is φ = 27304220716.

The previous prime is 27304220689. The next prime is 27304220747. The reversal of 27304220717 is 71702240372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14588049961 + 12716170756 = 120781^2 + 112766^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27304220717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27304220747) 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, 13652110358 + 13652110359.

It is an arithmetic number, because the mean of its divisors is an integer number (13652110359).

Almost surely, 2^27304220717 is an apocalyptic number.

It is an amenable number.

27304220717 is a deficient number, since it is larger than the sum of its proper divisors (1).

27304220717 is an equidigital number, since it uses as much as digits as its factorization.

27304220717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 35.

The spelling of 27304220717 in words is "twenty-seven billion, three hundred four million, two hundred twenty thousand, seven hundred seventeen".