127883988945 has 256 divisors, whose sum is σ = 253186560000. Its totient is φ = 60985737216.

The previous prime is 127883988931. The next prime is 127883989001. The reversal of 127883988945 is 549889388721.

It is not a de Polignac number, because 127883988945 - 2¹⁵ = 127883956177 is a prime.

It is a Curzon number.

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 in 255 ways as a sum of consecutive naturals, for example, 858281731 + ... + 858281879.

It is an arithmetic number, because the mean of its divisors is an integer number (989010000).

Almost surely, 2^127883988945 is an apocalyptic number.

127883988945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127883988945 is a deficient number, since it is larger than the sum of its proper divisors (125302571055).

127883988945 is a wasteful number, since it uses less digits than its factorization.

127883988945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 403 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 72.

The spelling of 127883988945 in words is "one hundred twenty-seven billion, eight hundred eighty-three million, nine hundred eighty-eight thousand, nine hundred forty-five".