127680520067 has 2 divisors, whose sum is σ = 127680520068. Its totient is φ = 127680520066.

The previous prime is 127680520039. The next prime is 127680520157. The reversal of 127680520067 is 760025086721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127680520067 - 2³⁶ = 58961043331 is a prime.

It is not a weakly prime, because it can be changed into another prime (127680520027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63840260033 + 63840260034.

It is an arithmetic number, because the mean of its divisors is an integer number (63840260034).

Almost surely, 2^127680520067 is an apocalyptic number.

127680520067 is a deficient number, since it is larger than the sum of its proper divisors (1).

127680520067 is an equidigital number, since it uses as much as digits as its factorization.

127680520067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 127680520067 in words is "one hundred twenty-seven billion, six hundred eighty million, five hundred twenty thousand, sixty-seven".