127722699480 has 128 divisors (see below), whose sum is σ = 395707576320. Its totient is φ = 32945763840.

The previous prime is 127722699443. The next prime is 127722699539. The reversal of 127722699480 is 84996227721.

It is a self number, because there is not a number n which added to its sum of digits gives 127722699480.

It is a congruent number.

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, 9899914 + ... + 9912806.

It is an arithmetic number, because the mean of its divisors is an integer number (3091465440).

Almost surely, 2^127722699480 is an apocalyptic number.

127722699480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127722699480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197853788160).

127722699480 is an abundant number, since it is smaller than the sum of its proper divisors (267984876840).

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

127722699480 is a wasteful number, since it uses less digits than its factorization.

127722699480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15601 (or 15597 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 127722699480 in words is "one hundred twenty-seven billion, seven hundred twenty-two million, six hundred ninety-nine thousand, four hundred eighty".