127826428663994 has 16 divisors (see below), whose sum is σ = 202057101192960. Its totient is φ = 60529088043600.

The previous prime is 127826428663993. The next prime is 127826428664069. The reversal of 127826428663994 is 499366824628721.

It is a super-2 number, since 2×127826428663994² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127826428663993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13756606274 + ... + 13756615565.

It is an arithmetic number, because the mean of its divisors is an integer number (12628568824560).

Almost surely, 2^{127826428663994} is an apocalyptic number.

127826428663994 is a deficient number, since it is larger than the sum of its proper divisors (74230672528966).

127826428663994 is a wasteful number, since it uses less digits than its factorization.

127826428663994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27513221965.

The product of its digits is 3009871872, while the sum is 77.

The spelling of 127826428663994 in words is "one hundred twenty-seven trillion, eight hundred twenty-six billion, four hundred twenty-eight million, six hundred sixty-three thousand, nine hundred ninety-four".