127826428663995 has 16 divisors (see below), whose sum is σ = 205993669217280. Its totient is φ = 67683634169184.

The previous prime is 127826428663993. The next prime is 127826428664069. The reversal of 127826428663995 is 599366824628721.

It is not a de Polignac number, because 127826428663995 - 2¹ = 127826428663993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127826428663995.

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 15 ways as a sum of consecutive naturals, for example, 30653817739 + ... + 30653821908.

It is an arithmetic number, because the mean of its divisors is an integer number (12874604326080).

Almost surely, 2^{127826428663995} is an apocalyptic number.

127826428663995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

127826428663995 is a deficient number, since it is larger than the sum of its proper divisors (78167240553285).

127826428663995 is a wasteful number, since it uses less digits than its factorization.

127826428663995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61307639794.

The product of its digits is 3762339840, while the sum is 78.

The spelling of 127826428663995 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-five".