27066049867 has 2 divisors, whose sum is σ = 27066049868. Its totient is φ = 27066049866.

The previous prime is 27066049853. The next prime is 27066049891. The reversal of 27066049867 is 76894066072.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27066049867 is a prime.

It is not a weakly prime, because it can be changed into another prime (27066044867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13533024933 + 13533024934.

It is an arithmetic number, because the mean of its divisors is an integer number (13533024934).

Almost surely, 2^27066049867 is an apocalyptic number.

27066049867 is a deficient number, since it is larger than the sum of its proper divisors (1).

27066049867 is an equidigital number, since it uses as much as digits as its factorization.

27066049867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 27066049867 in words is "twenty-seven billion, sixty-six million, forty-nine thousand, eight hundred sixty-seven".