127976075971 has 2 divisors, whose sum is σ = 127976075972. Its totient is φ = 127976075970.

The previous prime is 127976075923. The next prime is 127976075977. The reversal of 127976075971 is 179570679721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127976075971 - 2¹¹ = 127976073923 is a prime.

It is not a weakly prime, because it can be changed into another prime (127976075977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63988037985 + 63988037986.

It is an arithmetic number, because the mean of its divisors is an integer number (63988037986).

Almost surely, 2^127976075971 is an apocalyptic number.

127976075971 is a deficient number, since it is larger than the sum of its proper divisors (1).

127976075971 is an equidigital number, since it uses as much as digits as its factorization.

127976075971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11668860, while the sum is 61.

The spelling of 127976075971 in words is "one hundred twenty-seven billion, nine hundred seventy-six million, seventy-five thousand, nine hundred seventy-one".