127613677522 has 4 divisors (see below), whose sum is σ = 191420516286. Its totient is φ = 63806838760.

The previous prime is 127613677493. The next prime is 127613677547. The reversal of 127613677522 is 225776316721.

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

It can be written as a sum of positive squares in only one way, i.e., 112445538241 + 15168139281 = 335329^2 + 123159^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 31903419379 + ... + 31903419382.

Almost surely, 2^127613677522 is an apocalyptic number.

127613677522 is a deficient number, since it is larger than the sum of its proper divisors (63806838764).

127613677522 is an equidigital number, since it uses as much as digits as its factorization.

127613677522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63806838763.

The product of its digits is 1481760, while the sum is 49.

The spelling of 127613677522 in words is "one hundred twenty-seven billion, six hundred thirteen million, six hundred seventy-seven thousand, five hundred twenty-two".