127899056937593 has 2 divisors, whose sum is σ = 127899056937594. Its totient is φ = 127899056937592.

The previous prime is 127899056937529. The next prime is 127899056937601. The reversal of 127899056937593 is 395739650998721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117827269199929 + 10071787737664 = 10854827^2 + 3173608^2 .

It is a cyclic number.

It is not a de Polignac number, because 127899056937593 - 2⁶ = 127899056937529 is a prime.

It is a super-2 number, since 2×127899056937593² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (127899056937493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63949528468796 + 63949528468797.

It is an arithmetic number, because the mean of its divisors is an integer number (63949528468797).

Almost surely, 2^{127899056937593} is an apocalyptic number.

It is an amenable number.

127899056937593 is a deficient number, since it is larger than the sum of its proper divisors (1).

127899056937593 is an equidigital number, since it uses as much as digits as its factorization.

127899056937593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6944162400, while the sum is 83.

The spelling of 127899056937593 in words is "one hundred twenty-seven trillion, eight hundred ninety-nine billion, fifty-six million, nine hundred thirty-seven thousand, five hundred ninety-three".