27548221007 has 2 divisors, whose sum is σ = 27548221008. Its totient is φ = 27548221006.

The previous prime is 27548221003. The next prime is 27548221067. The reversal of 27548221007 is 70012284572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27548221007 - 2² = 27548221003 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27548221003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13774110503 + 13774110504.

It is an arithmetic number, because the mean of its divisors is an integer number (13774110504).

Almost surely, 2^27548221007 is an apocalyptic number.

27548221007 is a deficient number, since it is larger than the sum of its proper divisors (1).

27548221007 is an equidigital number, since it uses as much as digits as its factorization.

27548221007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 38.

The spelling of 27548221007 in words is "twenty-seven billion, five hundred forty-eight million, two hundred twenty-one thousand, seven".