27752728865 has 8 divisors (see below), whose sum is σ = 33867737280. Its totient is φ = 21825874672.

The previous prime is 27752728859. The next prime is 27752728867. The reversal of 27752728865 is 56882725772.

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 27752728865 - 2⁸ = 27752728609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is not an unprimeable number, because it can be changed into a prime (27752728867) 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, 47038229 + ... + 47038818.

It is an arithmetic number, because the mean of its divisors is an integer number (4233467160).

Almost surely, 2^27752728865 is an apocalyptic number.

It is an amenable number.

27752728865 is a deficient number, since it is larger than the sum of its proper divisors (6115008415).

27752728865 is an equidigital number, since it uses as much as digits as its factorization.

27752728865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94077111.

The product of its digits is 26342400, while the sum is 59.

The spelling of 27752728865 in words is "twenty-seven billion, seven hundred fifty-two million, seven hundred twenty-eight thousand, eight hundred sixty-five".