27768368047 has 8 divisors (see below), whose sum is σ = 31763396000. Its totient is φ = 23780369664.

The previous prime is 27768367997. The next prime is 27768368059. The reversal of 27768368047 is 74086386772.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27768368047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27768367982 and 27768368000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27768368087) 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, 1748922 + ... + 1764727.

It is an arithmetic number, because the mean of its divisors is an integer number (3970424500).

Almost surely, 2^27768368047 is an apocalyptic number.

27768368047 is a deficient number, since it is larger than the sum of its proper divisors (3995027953).

27768368047 is a wasteful number, since it uses less digits than its factorization.

27768368047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514785.

The product of its (nonzero) digits is 18966528, while the sum is 58.

The spelling of 27768368047 in words is "twenty-seven billion, seven hundred sixty-eight million, three hundred sixty-eight thousand, forty-seven".