27200543017 has 2 divisors, whose sum is σ = 27200543018. Its totient is φ = 27200543016.

The previous prime is 27200542991. The next prime is 27200543021. The reversal of 27200543017 is 71034500272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25108303936 + 2092239081 = 158456^2 + 45741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27200543017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27200543017.

It is not a weakly prime, because it can be changed into another prime (27200543047) 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 as a sum of consecutive naturals, namely, 13600271508 + 13600271509.

It is an arithmetic number, because the mean of its divisors is an integer number (13600271509).

Almost surely, 2^27200543017 is an apocalyptic number.

It is an amenable number.

27200543017 is a deficient number, since it is larger than the sum of its proper divisors (1).

27200543017 is an equidigital number, since it uses as much as digits as its factorization.

27200543017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The spelling of 27200543017 in words is "twenty-seven billion, two hundred million, five hundred forty-three thousand, seventeen".