27756542992 has 20 divisors (see below), whose sum is σ = 53781914880. Its totient is φ = 13877339168.

The previous prime is 27756542971. The next prime is 27756542993. The reversal of 27756542992 is 29924565772.

It is not an unprimeable number, because it can be changed into a prime (27756542993) 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 3 ways as a sum of consecutive naturals, for example, 230793 + ... + 329815.

It is an arithmetic number, because the mean of its divisors is an integer number (2689095744).

Almost surely, 2^27756542992 is an apocalyptic number.

It is an amenable number.

27756542992 is a deficient number, since it is larger than the sum of its proper divisors (26025371888).

27756542992 is a wasteful number, since it uses less digits than its factorization.

27756542992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116550 (or 116544 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 58.

The spelling of 27756542992 in words is "twenty-seven billion, seven hundred fifty-six million, five hundred forty-two thousand, nine hundred ninety-two".