27310940867 has 4 divisors (see below), whose sum is σ = 31212503856. Its totient is φ = 23409377880.

The previous prime is 27310940851. The next prime is 27310940873. The reversal of 27310940867 is 76804901372.

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

It is not a de Polignac number, because 27310940867 - 2⁴ = 27310940851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27310940887) 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, 1950781484 + ... + 1950781497.

It is an arithmetic number, because the mean of its divisors is an integer number (7803125964).

Almost surely, 2^27310940867 is an apocalyptic number.

27310940867 is a deficient number, since it is larger than the sum of its proper divisors (3901562989).

27310940867 is an equidigital number, since it uses as much as digits as its factorization.

27310940867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901562988.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 27310940867 in words is "twenty-seven billion, three hundred ten million, nine hundred forty thousand, eight hundred sixty-seven".