127967392667 has 2 divisors, whose sum is σ = 127967392668. Its totient is φ = 127967392666.

The previous prime is 127967392643. The next prime is 127967392669. The reversal of 127967392667 is 766293769721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127967392667 - 2⁸ = 127967392411 is a prime.

Together with 127967392669, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127967392669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63983696333 + 63983696334.

It is an arithmetic number, because the mean of its divisors is an integer number (63983696334).

Almost surely, 2^127967392667 is an apocalyptic number.

127967392667 is a deficient number, since it is larger than the sum of its proper divisors (1).

127967392667 is an equidigital number, since it uses as much as digits as its factorization.

127967392667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72013536, while the sum is 65.

The spelling of 127967392667 in words is "one hundred twenty-seven billion, nine hundred sixty-seven million, three hundred ninety-two thousand, six hundred sixty-seven".