27759122371 has 4 divisors (see below), whose sum is σ = 27841493992. Its totient is φ = 27676750752.

The previous prime is 27759122359. The next prime is 27759122389. The reversal of 27759122371 is 17322195772.

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 27759122371 - 2¹⁹ = 27758598083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27759122311) 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 in 3 ways as a sum of consecutive naturals, for example, 41185305 + ... + 41185978.

It is an arithmetic number, because the mean of its divisors is an integer number (6960373498).

Almost surely, 2^27759122371 is an apocalyptic number.

27759122371 is a deficient number, since it is larger than the sum of its proper divisors (82371621).

27759122371 is an equidigital number, since it uses as much as digits as its factorization.

27759122371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82371620.

The product of its digits is 370440, while the sum is 46.

The spelling of 27759122371 in words is "twenty-seven billion, seven hundred fifty-nine million, one hundred twenty-two thousand, three hundred seventy-one".