127705674649271 has 2 divisors, whose sum is σ = 127705674649272. Its totient is φ = 127705674649270.

The previous prime is 127705674649253. The next prime is 127705674649279. The reversal of 127705674649271 is 172946476507721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127705674649271 - 2³⁴ = 127688494780087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127705674649279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63852837324635 + 63852837324636.

It is an arithmetic number, because the mean of its divisors is an integer number (63852837324636).

Almost surely, 2^{127705674649271} is an apocalyptic number.

127705674649271 is a deficient number, since it is larger than the sum of its proper divisors (1).

127705674649271 is an equidigital number, since it uses as much as digits as its factorization.

127705674649271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248935680, while the sum is 68.

The spelling of 127705674649271 in words is "one hundred twenty-seven trillion, seven hundred five billion, six hundred seventy-four million, six hundred forty-nine thousand, two hundred seventy-one".