27748164307 has 2 divisors, whose sum is σ = 27748164308. Its totient is φ = 27748164306.

The previous prime is 27748164299. The next prime is 27748164313. The reversal of 27748164307 is 70346184772.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27748164307 - 2³ = 27748164299 is a prime.

It is not a weakly prime, because it can be changed into another prime (27748164907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13874082153 + 13874082154.

It is an arithmetic number, because the mean of its divisors is an integer number (13874082154).

Almost surely, 2^27748164307 is an apocalyptic number.

27748164307 is a deficient number, since it is larger than the sum of its proper divisors (1).

27748164307 is an equidigital number, since it uses as much as digits as its factorization.

27748164307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1580544, while the sum is 49.

The spelling of 27748164307 in words is "twenty-seven billion, seven hundred forty-eight million, one hundred sixty-four thousand, three hundred seven".