127330127728 has 20 divisors (see below), whose sum is σ = 246954662640. Its totient is φ = 63599892224.

The previous prime is 127330127719. The next prime is 127330127747. The reversal of 127330127728 is 827721033721.

It is a super-2 number, since 2×127330127728² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4057108 + ... + 4088371.

It is an arithmetic number, because the mean of its divisors is an integer number (12347733132).

Almost surely, 2^127330127728 is an apocalyptic number.

It is an amenable number.

127330127728 is a deficient number, since it is larger than the sum of its proper divisors (119624534912).

127330127728 is an equidigital number, since it uses as much as digits as its factorization.

127330127728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146464 (or 8146458 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 127330127728 in words is "one hundred twenty-seven billion, three hundred thirty million, one hundred twenty-seven thousand, seven hundred twenty-eight".