27327310973 has 4 divisors (see below), whose sum is σ = 27842920668. Its totient is φ = 26811701280.

The previous prime is 27327310949. The next prime is 27327310981. The reversal of 27327310973 is 37901372372.

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 7355120644 + 19972190329 = 85762^2 + 141323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27327310973 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 (27327310993) 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, 257804768 + ... + 257804873.

It is an arithmetic number, because the mean of its divisors is an integer number (6960730167).

Almost surely, 2^27327310973 is an apocalyptic number.

It is an amenable number.

27327310973 is a deficient number, since it is larger than the sum of its proper divisors (515609695).

27327310973 is an equidigital number, since it uses as much as digits as its factorization.

27327310973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515609694.

The product of its (nonzero) digits is 333396, while the sum is 44.

The spelling of 27327310973 in words is "twenty-seven billion, three hundred twenty-seven million, three hundred ten thousand, nine hundred seventy-three".