128252627250086 has 16 divisors (see below), whose sum is σ = 199168297804800. Its totient is φ = 61866652434048.

The previous prime is 128252627250049. The next prime is 128252627250109. The reversal of 128252627250086 is 680052726252821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864371555 + ... + 864519918.

It is an arithmetic number, because the mean of its divisors is an integer number (12448018612800).

Almost surely, 2^{128252627250086} is an apocalyptic number.

128252627250086 is a deficient number, since it is larger than the sum of its proper divisors (70915670554714).

128252627250086 is a wasteful number, since it uses less digits than its factorization.

128252627250086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728892783.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 128252627250086 in words is "one hundred twenty-eight trillion, two hundred fifty-two billion, six hundred twenty-seven million, two hundred fifty thousand, eighty-six".