127716847 has 2 divisors, whose sum is σ = 127716848. Its totient is φ = 127716846.

The previous prime is 127716821. The next prime is 127716863. The reversal of 127716847 is 748617721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127716847 - 2¹⁵ = 127684079 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127716817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63858423 + 63858424.

It is an arithmetic number, because the mean of its divisors is an integer number (63858424).

Almost surely, 2^127716847 is an apocalyptic number.

127716847 is a deficient number, since it is larger than the sum of its proper divisors (1).

127716847 is an equidigital number, since it uses as much as digits as its factorization.

127716847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131712, while the sum is 43.

The square root of 127716847 is about 11301.1878579201. The cubic root of 127716847 is about 503.5965305740.

The spelling of 127716847 in words is "one hundred twenty-seven million, seven hundred sixteen thousand, eight hundred forty-seven".