27868271611 has 2 divisors, whose sum is σ = 27868271612. Its totient is φ = 27868271610.

The previous prime is 27868271597. The next prime is 27868271677. The reversal of 27868271611 is 11617286872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27868271611 - 2⁹ = 27868271099 is a prime.

It is not a weakly prime, because it can be changed into another prime (27868271911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13934135805 + 13934135806.

It is an arithmetic number, because the mean of its divisors is an integer number (13934135806).

Almost surely, 2^27868271611 is an apocalyptic number.

27868271611 is a deficient number, since it is larger than the sum of its proper divisors (1).

27868271611 is an equidigital number, since it uses as much as digits as its factorization.

27868271611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 49.

The spelling of 27868271611 in words is "twenty-seven billion, eight hundred sixty-eight million, two hundred seventy-one thousand, six hundred eleven".