27768385199 has 2 divisors, whose sum is σ = 27768385200. Its totient is φ = 27768385198.

The previous prime is 27768385193. The next prime is 27768385273. The reversal of 27768385199 is 99158386772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27768385199 - 2¹² = 27768381103 is a prime.

It is a super-3 number, since 3×27768385199³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27768385193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13884192599 + 13884192600.

It is an arithmetic number, because the mean of its divisors is an integer number (13884192600).

Almost surely, 2^27768385199 is an apocalyptic number.

27768385199 is a deficient number, since it is larger than the sum of its proper divisors (1).

27768385199 is an equidigital number, since it uses as much as digits as its factorization.

27768385199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45722880, while the sum is 65.

The spelling of 27768385199 in words is "twenty-seven billion, seven hundred sixty-eight million, three hundred eighty-five thousand, one hundred ninety-nine".