27766339434271 has 2 divisors, whose sum is σ = 27766339434272. Its totient is φ = 27766339434270.

The previous prime is 27766339434259. The next prime is 27766339434311. The reversal of 27766339434271 is 17243493366772.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27766339434271 - 2³⁹ = 27216583620383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27766339434221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13883169717135 + 13883169717136.

It is an arithmetic number, because the mean of its divisors is an integer number (13883169717136).

Almost surely, 2^{27766339434271} is an apocalyptic number.

27766339434271 is a deficient number, since it is larger than the sum of its proper divisors (1).

27766339434271 is an equidigital number, since it uses as much as digits as its factorization.

27766339434271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192036096, while the sum is 64.

The spelling of 27766339434271 in words is "twenty-seven trillion, seven hundred sixty-six billion, three hundred thirty-nine million, four hundred thirty-four thousand, two hundred seventy-one".