27075666345 has 32 divisors (see below), whose sum is σ = 53318237952. Its totient is φ = 11425335552.

The previous prime is 27075666307. The next prime is 27075666353. The reversal of 27075666345 is 54366657072.

It is not a de Polignac number, because 27075666345 - 2⁹ = 27075665833 is a prime.

It is an unprimeable number.

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, 9916462 + ... + 9919191.

It is an arithmetic number, because the mean of its divisors is an integer number (1666194936).

Almost surely, 2^27075666345 is an apocalyptic number.

It is an amenable number.

27075666345 is a deficient number, since it is larger than the sum of its proper divisors (26242571607).

27075666345 is a wasteful number, since it uses less digits than its factorization.

27075666345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19835681.

The product of its (nonzero) digits is 6350400, while the sum is 51.

The spelling of 27075666345 in words is "twenty-seven billion, seventy-five million, six hundred sixty-six thousand, three hundred forty-five".