27556043743 has 8 divisors (see below), whose sum is σ = 28309993920. Its totient is φ = 26802577440.

The previous prime is 27556043717. The next prime is 27556043773. The reversal of 27556043743 is 34734065572.

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 27556043743 - 2⁹ = 27556043231 is a prime.

It is a super-2 number, since 2×27556043743² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27556043693 and 27556043702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27556043773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3988 + ... + 234793.

It is an arithmetic number, because the mean of its divisors is an integer number (3538749240).

Almost surely, 2^27556043743 is an apocalyptic number.

27556043743 is a deficient number, since it is larger than the sum of its proper divisors (753950177).

27556043743 is a wasteful number, since it uses less digits than its factorization.

27556043743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241937.

The product of its (nonzero) digits is 2116800, while the sum is 46.

The spelling of 27556043743 in words is "twenty-seven billion, five hundred fifty-six million, forty-three thousand, seven hundred forty-three".