27741336671 has 4 divisors (see below), whose sum is σ = 28196112744. Its totient is φ = 27286560600.

The previous prime is 27741336643. The next prime is 27741336677. The reversal of 27741336671 is 17663314772.

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 27741336671 - 2²⁶ = 27674227807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27741336677) 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, 227387945 + ... + 227388066.

It is an arithmetic number, because the mean of its divisors is an integer number (7049028186).

Almost surely, 2^27741336671 is an apocalyptic number.

27741336671 is a deficient number, since it is larger than the sum of its proper divisors (454776073).

27741336671 is an equidigital number, since it uses as much as digits as its factorization.

27741336671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454776072.

The product of its digits is 889056, while the sum is 47.

The spelling of 27741336671 in words is "twenty-seven billion, seven hundred forty-one million, three hundred thirty-six thousand, six hundred seventy-one".