127307634743873 has 2 divisors, whose sum is σ = 127307634743874. Its totient is φ = 127307634743872.

The previous prime is 127307634743741. The next prime is 127307634743881. The reversal of 127307634743873 is 378347436703721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108309124965889 + 18998509777984 = 10407167^2 + 4358728^2 .

It is a cyclic number.

It is not a de Polignac number, because 127307634743873 - 2⁸ = 127307634743617 is a prime.

It is a super-2 number, since 2×127307634743873² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (127307634743473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63653817371936 + 63653817371937.

It is an arithmetic number, because the mean of its divisors is an integer number (63653817371937).

Almost surely, 2^{127307634743873} is an apocalyptic number.

It is an amenable number.

127307634743873 is a deficient number, since it is larger than the sum of its proper divisors (1).

127307634743873 is an equidigital number, since it uses as much as digits as its factorization.

127307634743873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 298722816, while the sum is 65.

The spelling of 127307634743873 in words is "one hundred twenty-seven trillion, three hundred seven billion, six hundred thirty-four million, seven hundred forty-three thousand, eight hundred seventy-three".