27705484211 has 4 divisors (see below), whose sum is σ = 27712682424. Its totient is φ = 27698286000.

The previous prime is 27705484199. The next prime is 27705484217. The reversal of 27705484211 is 11248450772.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27705484211 - 2³⁴ = 10525615027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27705484217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3593330 + ... + 3601031.

It is an arithmetic number, because the mean of its divisors is an integer number (6928170606).

Almost surely, 2^27705484211 is an apocalyptic number.

27705484211 is a deficient number, since it is larger than the sum of its proper divisors (7198213).

27705484211 is an equidigital number, since it uses as much as digits as its factorization.

27705484211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7198212.

The product of its (nonzero) digits is 125440, while the sum is 41.

The spelling of 27705484211 in words is "twenty-seven billion, seven hundred five million, four hundred eighty-four thousand, two hundred eleven".