27854328347 has 2 divisors, whose sum is σ = 27854328348. Its totient is φ = 27854328346.

The previous prime is 27854328269. The next prime is 27854328379. The reversal of 27854328347 is 74382345872.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27854328347 - 2¹⁶ = 27854262811 is a prime.

It is not a weakly prime, because it can be changed into another prime (27854325347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13927164173 + 13927164174.

It is an arithmetic number, because the mean of its divisors is an integer number (13927164174).

Almost surely, 2^27854328347 is an apocalyptic number.

27854328347 is a deficient number, since it is larger than the sum of its proper divisors (1).

27854328347 is an equidigital number, since it uses as much as digits as its factorization.

27854328347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9031680, while the sum is 53.

The spelling of 27854328347 in words is "twenty-seven billion, eight hundred fifty-four million, three hundred twenty-eight thousand, three hundred forty-seven".