127928204097 has 16 divisors (see below), whose sum is σ = 172330853760. Its totient is φ = 84406511232.

The previous prime is 127928204093. The next prime is 127928204123. The reversal of 127928204097 is 790402829721.

It is not a de Polignac number, because 127928204097 - 2² = 127928204093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127928204093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391693 + ... + 639749.

It is an arithmetic number, because the mean of its divisors is an integer number (10770678360).

Almost surely, 2^127928204097 is an apocalyptic number.

It is an amenable number.

127928204097 is a deficient number, since it is larger than the sum of its proper divisors (44402649663).

127928204097 is a wasteful number, since it uses less digits than its factorization.

127928204097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249832.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 127928204097 in words is "one hundred twenty-seven billion, nine hundred twenty-eight million, two hundred four thousand, ninety-seven".