127144770670807 has 2 divisors, whose sum is σ = 127144770670808. Its totient is φ = 127144770670806.

The previous prime is 127144770670787. The next prime is 127144770670817. The reversal of 127144770670807 is 708076077441721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127144770670807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127144770670817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63572385335403 + 63572385335404.

It is an arithmetic number, because the mean of its divisors is an integer number (63572385335404).

Almost surely, 2^{127144770670807} is an apocalyptic number.

127144770670807 is a deficient number, since it is larger than the sum of its proper divisors (1).

127144770670807 is an equidigital number, since it uses as much as digits as its factorization.

127144770670807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25815552, while the sum is 61.

The spelling of 127144770670807 in words is "one hundred twenty-seven trillion, one hundred forty-four billion, seven hundred seventy million, six hundred seventy thousand, eight hundred seven".