127638750316 has 96 divisors (see below), whose sum is σ = 293643947520. Its totient is φ = 47031321600.

The previous prime is 127638750313. The next prime is 127638750341. The reversal of 127638750316 is 613057836721.

It is a self number, because there is not a number n which added to its sum of digits gives 127638750316.

It is not an unprimeable number, because it can be changed into a prime (127638750313) 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, 3451846 + ... + 3488626.

It is an arithmetic number, because the mean of its divisors is an integer number (3058791120).

Almost surely, 2^127638750316 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 127638750316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146821973760).

127638750316 is an abundant number, since it is smaller than the sum of its proper divisors (166005197204).

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

127638750316 is a wasteful number, since it uses less digits than its factorization.

127638750316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37415 (or 37413 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 127638750316 in words is "one hundred twenty-seven billion, six hundred thirty-eight million, seven hundred fifty thousand, three hundred sixteen".