127864135718256 has 80 divisors (see below), whose sum is σ = 377521126736384. Its totient is φ = 36530917823232.

The previous prime is 127864135718243. The next prime is 127864135718281. The reversal of 127864135718256 is 652817531468721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1541716 + ... + 16065651.

Almost surely, 2^{127864135718256} is an apocalyptic number.

127864135718256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

127864135718256 is an abundant number, since it is smaller than the sum of its proper divisors (249656991018128).

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

127864135718256 is a wasteful number, since it uses less digits than its factorization.

127864135718256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17628998 (or 17628992 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 66.

The spelling of 127864135718256 in words is "one hundred twenty-seven trillion, eight hundred sixty-four billion, one hundred thirty-five million, seven hundred eighteen thousand, two hundred fifty-six".