127631328835667 has 2 divisors, whose sum is σ = 127631328835668. Its totient is φ = 127631328835666.

The previous prime is 127631328835607. The next prime is 127631328835721. The reversal of 127631328835667 is 766538823136721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127631328835667 - 2¹² = 127631328831571 is a prime.

It is a super-2 number, since 2×127631328835667² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127631328835597 and 127631328835606.

It is not a weakly prime, because it can be changed into another prime (127631328835607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63815664417833 + 63815664417834.

It is an arithmetic number, because the mean of its divisors is an integer number (63815664417834).

Almost surely, 2^{127631328835667} is an apocalyptic number.

127631328835667 is a deficient number, since it is larger than the sum of its proper divisors (1).

127631328835667 is an equidigital number, since it uses as much as digits as its factorization.

127631328835667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 365783040, while the sum is 68.

The spelling of 127631328835667 in words is "one hundred twenty-seven trillion, six hundred thirty-one billion, three hundred twenty-eight million, eight hundred thirty-five thousand, six hundred sixty-seven".