127639377752 has 16 divisors (see below), whose sum is σ = 239328155400. Its totient is φ = 63818536320.

The previous prime is 127639377739. The next prime is 127639377757. The reversal of 127639377752 is 257773936721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 127639377691 and 127639377700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127639377757) 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, 491552 + ... + 704912.

Almost surely, 2^127639377752 is an apocalyptic number.

It is an amenable number.

127639377752 is a deficient number, since it is larger than the sum of its proper divisors (111688777648).

127639377752 is a wasteful number, since it uses less digits than its factorization.

127639377752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288146 (or 288142 counting only the distinct ones).

The product of its digits is 23337720, while the sum is 59.

The spelling of 127639377752 in words is "one hundred twenty-seven billion, six hundred thirty-nine million, three hundred seventy-seven thousand, seven hundred fifty-two".