27066571005 has 32 divisors (see below), whose sum is σ = 45234339840. Its totient is φ = 13794144320.

The previous prime is 27066571003. The next prime is 27066571013. The reversal of 27066571005 is 50017566072.

It is not a de Polignac number, because 27066571005 - 2¹ = 27066571003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27066571003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313060 + ... + 390050.

It is an arithmetic number, because the mean of its divisors is an integer number (1413573120).

Almost surely, 2^27066571005 is an apocalyptic number.

It is an amenable number.

27066571005 is a deficient number, since it is larger than the sum of its proper divisors (18167768835).

27066571005 is a wasteful number, since it uses less digits than its factorization.

27066571005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78041.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 27066571005 in words is "twenty-seven billion, sixty-six million, five hundred seventy-one thousand, five".