27723238677 has 12 divisors (see below), whose sum is σ = 41126967180. Its totient is φ = 17982641088.

The previous prime is 27723238649. The next prime is 27723238679. The reversal of 27723238677 is 77683232772.

It is a happy number.

27723238677 is a `hidden beast` number, since 27 + 7 + 232 + 386 + 7 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26514911556 + 1208327121 = 162834^2 + 34761^2 .

It is not a de Polignac number, because 27723238677 - 2⁷ = 27723238549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27723238679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41626152 + ... + 41626817.

It is an arithmetic number, because the mean of its divisors is an integer number (3427247265).

Almost surely, 2^27723238677 is an apocalyptic number.

It is an amenable number.

27723238677 is a deficient number, since it is larger than the sum of its proper divisors (13403728503).

27723238677 is a wasteful number, since it uses less digits than its factorization.

27723238677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83253012 (or 83253009 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 54.

The spelling of 27723238677 in words is "twenty-seven billion, seven hundred twenty-three million, two hundred thirty-eight thousand, six hundred seventy-seven".