127944116867 has 16 divisors (see below), whose sum is σ = 146861417472. Its totient is φ = 109187507520.

The previous prime is 127944116863. The next prime is 127944116921. The reversal of 127944116867 is 768611449721.

It is not a de Polignac number, because 127944116867 - 2² = 127944116863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127944116863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1925063 + ... + 1990415.

It is an arithmetic number, because the mean of its divisors is an integer number (9178838592).

Almost surely, 2^127944116867 is an apocalyptic number.

127944116867 is a deficient number, since it is larger than the sum of its proper divisors (18917300605).

127944116867 is an equidigital number, since it uses as much as digits as its factorization.

127944116867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66578.

The product of its digits is 4064256, while the sum is 56.

The spelling of 127944116867 in words is "one hundred twenty-seven billion, nine hundred forty-four million, one hundred sixteen thousand, eight hundred sixty-seven".