27759433256 has 16 divisors (see below), whose sum is σ = 52051189140. Its totient is φ = 13879116160.

The previous prime is 27759433253. The next prime is 27759433291. The reversal of 27759433256 is 65233495772.

It can be written as a sum of positive squares in 2 ways, for example, as 25771165156 + 1988268100 = 160534^2 + 44590^2 .

It is a super-2 number, since 2×27759433256² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27759433198 and 27759433207.

It is not an unprimeable number, because it can be changed into a prime (27759433253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167540 + ... + 289116.

Almost surely, 2^27759433256 is an apocalyptic number.

It is an amenable number.

27759433256 is a deficient number, since it is larger than the sum of its proper divisors (24291755884).

27759433256 is a wasteful number, since it uses less digits than its factorization.

27759433256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150124 (or 150120 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 53.

The spelling of 27759433256 in words is "twenty-seven billion, seven hundred fifty-nine million, four hundred thirty-three thousand, two hundred fifty-six".