27688045338199 has 2 divisors, whose sum is σ = 27688045338200. Its totient is φ = 27688045338198.

The previous prime is 27688045338169. The next prime is 27688045338251. The reversal of 27688045338199 is 99183354088672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27688045338199 - 2¹³ = 27688045330007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27688045338169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13844022669099 + 13844022669100.

It is an arithmetic number, because the mean of its divisors is an integer number (13844022669100).

It is a 1-persistent number, because it is pandigital, but 2⋅27688045338199 = 55376090676398 is not.

Almost surely, 2^{27688045338199} is an apocalyptic number.

27688045338199 is a deficient number, since it is larger than the sum of its proper divisors (1).

27688045338199 is an equidigital number, since it uses as much as digits as its factorization.

27688045338199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 627056640, while the sum is 73.

The spelling of 27688045338199 in words is "twenty-seven trillion, six hundred eighty-eight billion, forty-five million, three hundred thirty-eight thousand, one hundred ninety-nine".