27756137147 has 8 divisors (see below), whose sum is σ = 28010336256. Its totient is φ = 27502495272.

The previous prime is 27756137141. The next prime is 27756137203. The reversal of 27756137147 is 74173165772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27756137147 - 2⁶ = 27756137083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27756137095 and 27756137104.

It is not an unprimeable number, because it can be changed into a prime (27756137141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38903 + ... + 238800.

It is an arithmetic number, because the mean of its divisors is an integer number (3501292032).

Almost surely, 2^27756137147 is an apocalyptic number.

27756137147 is a deficient number, since it is larger than the sum of its proper divisors (254199109).

27756137147 is a wasteful number, since it uses less digits than its factorization.

27756137147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278617.

The product of its digits is 1728720, while the sum is 50.

The spelling of 27756137147 in words is "twenty-seven billion, seven hundred fifty-six million, one hundred thirty-seven thousand, one hundred forty-seven".