27768384071 has 8 divisors (see below), whose sum is σ = 28621123488. Its totient is φ = 26928468000.

The previous prime is 27768384029. The next prime is 27768384221. The reversal of 27768384071 is 17048386772.

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 27768384071 - 2¹⁰ = 27768383047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27768384971) 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, 3201440 + ... + 3210101.

It is an arithmetic number, because the mean of its divisors is an integer number (3577640436).

Almost surely, 2^27768384071 is an apocalyptic number.

27768384071 is a deficient number, since it is larger than the sum of its proper divisors (852739417).

27768384071 is an equidigital number, since it uses as much as digits as its factorization.

27768384071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6411673.

The product of its (nonzero) digits is 3161088, while the sum is 53.

The spelling of 27768384071 in words is "twenty-seven billion, seven hundred sixty-eight million, three hundred eighty-four thousand, seventy-one".