127933928 has 8 divisors (see below), whose sum is σ = 239876130. Its totient is φ = 63966960.

The previous prime is 127933919. The next prime is 127933957. The reversal of 127933928 is 829339721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 125037124 + 2896804 = 11182^2 + 1702^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7995863 + ... + 7995878.

Almost surely, 2^127933928 is an apocalyptic number.

It is an amenable number.

127933928 is a deficient number, since it is larger than the sum of its proper divisors (111942202).

127933928 is a wasteful number, since it uses less digits than its factorization.

127933928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15991747 (or 15991743 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 127933928 is about 11310.7881246180. The cubic root of 127933928 is about 503.8816909672.

The spelling of 127933928 in words is "one hundred twenty-seven million, nine hundred thirty-three thousand, nine hundred twenty-eight".