27854780299 has 2 divisors, whose sum is σ = 27854780300. Its totient is φ = 27854780298.

The previous prime is 27854780267. The next prime is 27854780351. The reversal of 27854780299 is 99208745872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27854780299 - 2⁵ = 27854780267 is a prime.

It is not a weakly prime, because it can be changed into another prime (27854780399) 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, 13927390149 + 13927390150.

It is an arithmetic number, because the mean of its divisors is an integer number (13927390150).

Almost surely, 2^27854780299 is an apocalyptic number.

27854780299 is a deficient number, since it is larger than the sum of its proper divisors (1).

27854780299 is an equidigital number, since it uses as much as digits as its factorization.

27854780299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 27854780299 in words is "twenty-seven billion, eight hundred fifty-four million, seven hundred eighty thousand, two hundred ninety-nine".