27061668307 has 2 divisors, whose sum is σ = 27061668308. Its totient is φ = 27061668306.

The previous prime is 27061668269. The next prime is 27061668311. The reversal of 27061668307 is 70386616072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27061668307 - 2¹⁵ = 27061635539 is a prime.

It is not a weakly prime, because it can be changed into another prime (27061668377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13530834153 + 13530834154.

It is an arithmetic number, because the mean of its divisors is an integer number (13530834154).

Almost surely, 2^27061668307 is an apocalyptic number.

27061668307 is a deficient number, since it is larger than the sum of its proper divisors (1).

27061668307 is an equidigital number, since it uses as much as digits as its factorization.

27061668307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 27061668307 in words is "twenty-seven billion, sixty-one million, six hundred sixty-eight thousand, three hundred seven".