27066050257 has 2 divisors, whose sum is σ = 27066050258. Its totient is φ = 27066050256.

The previous prime is 27066050197. The next prime is 27066050267. The reversal of 27066050257 is 75205066072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25980281856 + 1085768401 = 161184^2 + 32951^2 .

It is a cyclic number.

It is not a de Polignac number, because 27066050257 - 2³¹ = 24918566609 is a prime.

It is not a weakly prime, because it can be changed into another prime (27066050267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13533025128 + 13533025129.

It is an arithmetic number, because the mean of its divisors is an integer number (13533025129).

Almost surely, 2^27066050257 is an apocalyptic number.

It is an amenable number.

27066050257 is a deficient number, since it is larger than the sum of its proper divisors (1).

27066050257 is an equidigital number, since it uses as much as digits as its factorization.

27066050257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 27066050257 in words is "twenty-seven billion, sixty-six million, fifty thousand, two hundred fifty-seven".