27548221067 has 2 divisors, whose sum is σ = 27548221068. Its totient is φ = 27548221066.

The previous prime is 27548221007. The next prime is 27548221069. The reversal of 27548221067 is 76012284572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27548221067 - 2⁶ = 27548221003 is a prime.

Together with 27548221069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27548221069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13774110533 + 13774110534.

It is an arithmetic number, because the mean of its divisors is an integer number (13774110534).

Almost surely, 2^27548221067 is an apocalyptic number.

27548221067 is a deficient number, since it is larger than the sum of its proper divisors (1).

27548221067 is an equidigital number, since it uses as much as digits as its factorization.

27548221067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 27548221067 in words is "twenty-seven billion, five hundred forty-eight million, two hundred twenty-one thousand, sixty-seven".