127636557645377 has 16 divisors (see below), whose sum is σ = 152940830469120. Its totient is φ = 105146820939600.

The previous prime is 127636557645349. The next prime is 127636557645383. The reversal of 127636557645377 is 773546755636721.

It is not a de Polignac number, because 127636557645377 - 2⁶ = 127636557645313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127636557645307) 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 15 ways as a sum of consecutive naturals, for example, 13276108949 + ... + 13276118562.

It is an arithmetic number, because the mean of its divisors is an integer number (9558801904320).

Almost surely, 2^{127636557645377} is an apocalyptic number.

It is an amenable number.

127636557645377 is a deficient number, since it is larger than the sum of its proper divisors (25304272823743).

127636557645377 is a wasteful number, since it uses less digits than its factorization.

127636557645377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26552227564.

The product of its digits is 4667544000, while the sum is 74.

The spelling of 127636557645377 in words is "one hundred twenty-seven trillion, six hundred thirty-six billion, five hundred fifty-seven million, six hundred forty-five thousand, three hundred seventy-seven".