127983765768 has 64 divisors (see below), whose sum is σ = 336864921600. Its totient is φ = 40408061760.

The previous prime is 127983765757. The next prime is 127983765773. The reversal of 127983765768 is 867567389721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2594373 + ... + 2643243.

It is an arithmetic number, because the mean of its divisors is an integer number (5263514400).

Almost surely, 2^127983765768 is an apocalyptic number.

It is an amenable number.

127983765768 is an abundant number, since it is smaller than the sum of its proper divisors (208881155832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127983765768 is a wasteful number, since it uses less digits than its factorization.

127983765768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54642 (or 54638 counting only the distinct ones).

The product of its digits is 213373440, while the sum is 69.

The spelling of 127983765768 in words is "one hundred twenty-seven billion, nine hundred eighty-three million, seven hundred sixty-five thousand, seven hundred sixty-eight".