27867129307 has 2 divisors, whose sum is σ = 27867129308. Its totient is φ = 27867129306.

The previous prime is 27867129299. The next prime is 27867129319. The reversal of 27867129307 is 70392176872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27867129307 - 2³ = 27867129299 is a prime.

It is not a weakly prime, because it can be changed into another prime (27867129907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13933564653 + 13933564654.

It is an arithmetic number, because the mean of its divisors is an integer number (13933564654).

Almost surely, 2^27867129307 is an apocalyptic number.

27867129307 is a deficient number, since it is larger than the sum of its proper divisors (1).

27867129307 is an equidigital number, since it uses as much as digits as its factorization.

27867129307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 27867129307 in words is "twenty-seven billion, eight hundred sixty-seven million, one hundred twenty-nine thousand, three hundred seven".