127867457328277 has 2 divisors, whose sum is σ = 127867457328278. Its totient is φ = 127867457328276.

The previous prime is 127867457328257. The next prime is 127867457328311. The reversal of 127867457328277 is 772823754768721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83542634507556 + 44324822820721 = 9140166^2 + 6657689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127867457328277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127867457328257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63933728664138 + 63933728664139.

It is an arithmetic number, because the mean of its divisors is an integer number (63933728664139).

Almost surely, 2^{127867457328277} is an apocalyptic number.

It is an amenable number.

127867457328277 is a deficient number, since it is larger than the sum of its proper divisors (1).

127867457328277 is an equidigital number, since it uses as much as digits as its factorization.

127867457328277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3097866240, while the sum is 76.

The spelling of 127867457328277 in words is "one hundred twenty-seven trillion, eight hundred sixty-seven billion, four hundred fifty-seven million, three hundred twenty-eight thousand, two hundred seventy-seven".