27827757575005 has 16 divisors (see below), whose sum is σ = 33578704749744. Its totient is φ = 22138715934720.

The previous prime is 27827757574963. The next prime is 27827757575069. The reversal of 27827757575005 is 50057575772872.

It can be written as a sum of positive squares in 8 ways, for example, as 81390954681 + 27746366620324 = 285291^2 + 5267482^2 .

It is not a de Polignac number, because 27827757575005 - 2¹³ = 27827757566813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4603866 + ... + 8766475.

It is an arithmetic number, because the mean of its divisors is an integer number (2098669046859).

Almost surely, 2^{27827757575005} is an apocalyptic number.

It is an amenable number.

27827757575005 is a deficient number, since it is larger than the sum of its proper divisors (5750947174739).

27827757575005 is a wasteful number, since it uses less digits than its factorization.

27827757575005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13372656.

The product of its (nonzero) digits is 336140000, while the sum is 67.

The spelling of 27827757575005 in words is "twenty-seven trillion, eight hundred twenty-seven billion, seven hundred fifty-seven million, five hundred seventy-five thousand, five".