127300827528197 has 4 divisors (see below), whose sum is σ = 128036670462060. Its totient is φ = 126564984594336.

The previous prime is 127300827528139. The next prime is 127300827528221. The reversal of 127300827528197 is 791825728003721.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90255966098596 + 37044861429601 = 9500314^2 + 6086449^2 .

It is a cyclic number.

It is not a de Polignac number, because 127300827528197 - 2³⁴ = 127283647659013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127300827548197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367921466672 + ... + 367921467017.

It is an arithmetic number, because the mean of its divisors is an integer number (32009167615515).

Almost surely, 2^{127300827528197} is an apocalyptic number.

It is an amenable number.

127300827528197 is a deficient number, since it is larger than the sum of its proper divisors (735842933863).

127300827528197 is an equidigital number, since it uses as much as digits as its factorization.

127300827528197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735842933862.

The product of its (nonzero) digits is 23708160, while the sum is 62.

The spelling of 127300827528197 in words is "one hundred twenty-seven trillion, three hundred billion, eight hundred twenty-seven million, five hundred twenty-eight thousand, one hundred ninety-seven".