127395272728 has 16 divisors (see below), whose sum is σ = 239096052000. Its totient is φ = 63636325536.

The previous prime is 127395272713. The next prime is 127395272777. The reversal of 127395272728 is 827272593721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7655023 + ... + 7671646.

It is an arithmetic number, because the mean of its divisors is an integer number (14943503250).

Almost surely, 2^127395272728 is an apocalyptic number.

It is an amenable number.

127395272728 is a deficient number, since it is larger than the sum of its proper divisors (111700779272).

127395272728 is a wasteful number, since it uses less digits than its factorization.

127395272728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15327714 (or 15327710 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 55.

The spelling of 127395272728 in words is "one hundred twenty-seven billion, three hundred ninety-five million, two hundred seventy-two thousand, seven hundred twenty-eight".