27723565741 has 24 divisors (see below), whose sum is σ = 29985699744. Its totient is φ = 25614459360.

The previous prime is 27723565739. The next prime is 27723565787. The reversal of 27723565741 is 14756532772.

It is not a de Polignac number, because 27723565741 - 2¹ = 27723565739 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 (27723265741) 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 23 ways as a sum of consecutive naturals, for example, 16934775 + ... + 16936411.

It is an arithmetic number, because the mean of its divisors is an integer number (1249404156).

Almost surely, 2^27723565741 is an apocalyptic number.

It is an amenable number.

27723565741 is a deficient number, since it is larger than the sum of its proper divisors (2262134003).

27723565741 is a wasteful number, since it uses less digits than its factorization.

27723565741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809 (or 2790 counting only the distinct ones).

The product of its digits is 2469600, while the sum is 49.

The spelling of 27723565741 in words is "twenty-seven billion, seven hundred twenty-three million, five hundred sixty-five thousand, seven hundred forty-one".