27327934709 has 4 divisors (see below), whose sum is σ = 27328777740. Its totient is φ = 27327091680.

The previous prime is 27327934661. The next prime is 27327934727. The reversal of 27327934709 is 90743972372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24134554609 + 3193380100 = 155353^2 + 56510^2 .

It is a cyclic number.

It is not a de Polignac number, because 27327934709 - 2²⁴ = 27311157493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27327934729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370862 + ... + 438399.

It is an arithmetic number, because the mean of its divisors is an integer number (6832194435).

Almost surely, 2^27327934709 is an apocalyptic number.

It is an amenable number.

27327934709 is a deficient number, since it is larger than the sum of its proper divisors (843031).

27327934709 is an equidigital number, since it uses as much as digits as its factorization.

27327934709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843030.

The product of its (nonzero) digits is 4000752, while the sum is 53.

The spelling of 27327934709 in words is "twenty-seven billion, three hundred twenty-seven million, nine hundred thirty-four thousand, seven hundred nine".