127336728608 has 12 divisors (see below), whose sum is σ = 250694184510. Its totient is φ = 63668364288.

The previous prime is 127336728587. The next prime is 127336728611. The reversal of 127336728608 is 806827633721.

It can be written as a sum of positive squares in only one way, i.e., 123771683344 + 3565045264 = 351812^2 + 59708^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 127336728608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1989636353 + ... + 1989636416.

Almost surely, 2^127336728608 is an apocalyptic number.

It is an amenable number.

127336728608 is a deficient number, since it is larger than the sum of its proper divisors (123357455902).

127336728608 is an equidigital number, since it uses as much as digits as its factorization.

127336728608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979272779 (or 3979272771 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 127336728608 in words is "one hundred twenty-seven billion, three hundred thirty-six million, seven hundred twenty-eight thousand, six hundred eight".