27735744656 has 20 divisors (see below), whose sum is σ = 53748522300. Its totient is φ = 13865158272.

The previous prime is 27735744587. The next prime is 27735744691. The reversal of 27735744656 is 65644753772.

It can be written as a sum of positive squares in 2 ways, for example, as 21957312400 + 5778432256 = 148180^2 + 76016^2 .

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84011 + ... + 250058.

It is an arithmetic number, because the mean of its divisors is an integer number (2687426115).

Almost surely, 2^27735744656 is an apocalyptic number.

It is an amenable number.

27735744656 is a deficient number, since it is larger than the sum of its proper divisors (26012777644).

27735744656 is a wasteful number, since it uses less digits than its factorization.

27735744656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339266 (or 339260 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 56.

The spelling of 27735744656 in words is "twenty-seven billion, seven hundred thirty-five million, seven hundred forty-four thousand, six hundred fifty-six".