27307081099 has 2 divisors, whose sum is σ = 27307081100. Its totient is φ = 27307081098.

The previous prime is 27307081093. The next prime is 27307081163. The reversal of 27307081099 is 99018070372.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27307081099 - 2⁷ = 27307080971 is a prime.

It is not a weakly prime, because it can be changed into another prime (27307081093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13653540549 + 13653540550.

It is an arithmetic number, because the mean of its divisors is an integer number (13653540550).

Almost surely, 2^27307081099 is an apocalyptic number.

27307081099 is a deficient number, since it is larger than the sum of its proper divisors (1).

27307081099 is an equidigital number, since it uses as much as digits as its factorization.

27307081099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 27307081099 in words is "twenty-seven billion, three hundred seven million, eighty-one thousand, ninety-nine".