127667548013 has 2 divisors, whose sum is σ = 127667548014. Its totient is φ = 127667548012.

The previous prime is 127667547979. The next prime is 127667548037. The reversal of 127667548013 is 310845766721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84435574084 + 43231973929 = 290578^2 + 207923^2 .

It is a cyclic number.

It is not a de Polignac number, because 127667548013 - 2¹⁸ = 127667285869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127667548313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63833774006 + 63833774007.

It is an arithmetic number, because the mean of its divisors is an integer number (63833774007).

Almost surely, 2^127667548013 is an apocalyptic number.

It is an amenable number.

127667548013 is a deficient number, since it is larger than the sum of its proper divisors (1).

127667548013 is an equidigital number, since it uses as much as digits as its factorization.

127667548013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 127667548013 in words is "one hundred twenty-seven billion, six hundred sixty-seven million, five hundred forty-eight thousand, thirteen".