127893840508 has 96 divisors (see below), whose sum is σ = 269093260800. Its totient is φ = 52045721856.

The previous prime is 127893840433. The next prime is 127893840509. The reversal of 127893840508 is 805048398721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127893840509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8488710 + ... + 8503762.

It is an arithmetic number, because the mean of its divisors is an integer number (2803054800).

Almost surely, 2^127893840508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127893840508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134546630400).

127893840508 is an abundant number, since it is smaller than the sum of its proper divisors (141199420292).

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

127893840508 is a wasteful number, since it uses less digits than its factorization.

127893840508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15299 (or 15297 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 127893840508 in words is "one hundred twenty-seven billion, eight hundred ninety-three million, eight hundred forty thousand, five hundred eight".