127144770670769 has 2 divisors, whose sum is σ = 127144770670770. Its totient is φ = 127144770670768.

The previous prime is 127144770670721. The next prime is 127144770670787. The reversal of 127144770670769 is 967076077441721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80319326031025 + 46825444639744 = 8962105^2 + 6842912^2 .

It is a cyclic number.

It is not a de Polignac number, because 127144770670769 - 2²⁸ = 127144502235313 is a prime.

It is a super-2 number, since 2×127144770670769² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127144770670699 and 127144770670708.

It is not a weakly prime, because it can be changed into another prime (127144770600769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63572385335384 + 63572385335385.

It is an arithmetic number, because the mean of its divisors is an integer number (63572385335385).

Almost surely, 2^{127144770670769} is an apocalyptic number.

It is an amenable number.

127144770670769 is a deficient number, since it is larger than the sum of its proper divisors (1).

127144770670769 is an equidigital number, since it uses as much as digits as its factorization.

127144770670769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174254976, while the sum is 68.

The spelling of 127144770670769 in words is "one hundred twenty-seven trillion, one hundred forty-four billion, seven hundred seventy million, six hundred seventy thousand, seven hundred sixty-nine".