27723742652 has 12 divisors (see below), whose sum is σ = 49431956616. Its totient is φ = 13600326480.

The previous prime is 27723742639. The next prime is 27723742687. The reversal of 27723742652 is 25624732772.

It is a junction number, because it is equal to n+sod(n) for n = 27723742597 and 27723742606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65385974 + ... + 65386397.

It is an arithmetic number, because the mean of its divisors is an integer number (4119329718).

Almost surely, 2^27723742652 is an apocalyptic number.

It is an amenable number.

27723742652 is a deficient number, since it is larger than the sum of its proper divisors (21708213964).

27723742652 is a wasteful number, since it uses less digits than its factorization.

27723742652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130772428 (or 130772426 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 47.

The spelling of 27723742652 in words is "twenty-seven billion, seven hundred twenty-three million, seven hundred forty-two thousand, six hundred fifty-two".