127903896856 has 16 divisors (see below), whose sum is σ = 243197551440. Its totient is φ = 63051216480.

The previous prime is 127903896811. The next prime is 127903896871. The reversal of 127903896856 is 658698309721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112590891 + ... + 112592026.

It is an arithmetic number, because the mean of its divisors is an integer number (15199846965).

Almost surely, 2^127903896856 is an apocalyptic number.

It is an amenable number.

127903896856 is a deficient number, since it is larger than the sum of its proper divisors (115293654584).

127903896856 is a wasteful number, since it uses less digits than its factorization.

127903896856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225182994 (or 225182990 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 127903896856 in words is "one hundred twenty-seven billion, nine hundred three million, eight hundred ninety-six thousand, eight hundred fifty-six".