127651512648 has 128 divisors (see below), whose sum is σ = 357652713600. Its totient is φ = 37630771200.

The previous prime is 127651512631. The next prime is 127651512679. The reversal of 127651512648 is 846215156721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 127651512597 and 127651512606.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3804168 + ... + 3837576.

It is an arithmetic number, because the mean of its divisors is an integer number (2794161825).

Almost surely, 2^127651512648 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 127651512648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178826356800).

127651512648 is an abundant number, since it is smaller than the sum of its proper divisors (230001200952).

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

127651512648 is a wasteful number, since it uses less digits than its factorization.

127651512648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33823 (or 33819 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The spelling of 127651512648 in words is "one hundred twenty-seven billion, six hundred fifty-one million, five hundred twelve thousand, six hundred forty-eight".