127864135717399 has 2 divisors, whose sum is σ = 127864135717400. Its totient is φ = 127864135717398.

The previous prime is 127864135717301. The next prime is 127864135717453. The reversal of 127864135717399 is 993717531468721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127864135717399 - 2¹³ = 127864135709207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127864135717699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63932067858699 + 63932067858700.

It is an arithmetic number, because the mean of its divisors is an integer number (63932067858700).

Almost surely, 2^{127864135717399} is an apocalyptic number.

127864135717399 is a deficient number, since it is larger than the sum of its proper divisors (1).

127864135717399 is an equidigital number, since it uses as much as digits as its factorization.

127864135717399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480090240, while the sum is 73.

The spelling of 127864135717399 in words is "one hundred twenty-seven trillion, eight hundred sixty-four billion, one hundred thirty-five million, seven hundred seventeen thousand, three hundred ninety-nine".