27756746256 has 20 divisors (see below), whose sum is σ = 71704927952. Its totient is φ = 9252248736.

The previous prime is 27756746197. The next prime is 27756746257. The reversal of 27756746256 is 65264765772.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27756746196 and 27756746205.

It is not an unprimeable number, because it can be changed into a prime (27756746257) 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, 289132726 + ... + 289132821.

Almost surely, 2^27756746256 is an apocalyptic number.

It is an amenable number.

27756746256 is an abundant number, since it is smaller than the sum of its proper divisors (43948181696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27756746256 is a wasteful number, since it uses less digits than its factorization.

27756746256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578265558 (or 578265552 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 57.

The spelling of 27756746256 in words is "twenty-seven billion, seven hundred fifty-six million, seven hundred forty-six thousand, two hundred fifty-six".