27331424047 has 4 divisors (see below), whose sum is σ = 27677391520. Its totient is φ = 26985456576.

The previous prime is 27331424039. The next prime is 27331424053. The reversal of 27331424047 is 74042413372.

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

It is a cyclic number.

It is not a de Polignac number, because 27331424047 - 2³ = 27331424039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27331423997 and 27331424015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27331424447) 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, 172983618 + ... + 172983775.

It is an arithmetic number, because the mean of its divisors is an integer number (6919347880).

Almost surely, 2^27331424047 is an apocalyptic number.

27331424047 is a deficient number, since it is larger than the sum of its proper divisors (345967473).

27331424047 is an equidigital number, since it uses as much as digits as its factorization.

27331424047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345967472.

The product of its (nonzero) digits is 112896, while the sum is 37.

The spelling of 27331424047 in words is "twenty-seven billion, three hundred thirty-one million, four hundred twenty-four thousand, forty-seven".