127550572275377 has 2 divisors, whose sum is σ = 127550572275378. Its totient is φ = 127550572275376.

The previous prime is 127550572275307. The next prime is 127550572275431. The reversal of 127550572275377 is 773572275055721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71630222879296 + 55920349396081 = 8463464^2 + 7477991^2 .

It is a cyclic number.

It is not a de Polignac number, because 127550572275377 - 2¹⁰ = 127550572274353 is a prime.

It is not a weakly prime, because it can be changed into another prime (127550572275307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63775286137688 + 63775286137689.

It is an arithmetic number, because the mean of its divisors is an integer number (63775286137689).

Almost surely, 2^{127550572275377} is an apocalyptic number.

It is an amenable number.

127550572275377 is a deficient number, since it is larger than the sum of its proper divisors (1).

127550572275377 is an equidigital number, since it uses as much as digits as its factorization.

127550572275377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252105000, while the sum is 65.

The spelling of 127550572275377 in words is "one hundred twenty-seven trillion, five hundred fifty billion, five hundred seventy-two million, two hundred seventy-five thousand, three hundred seventy-seven".