27845772366 has 8 divisors (see below), whose sum is σ = 55691544744. Its totient is φ = 9281924120.

The previous prime is 27845772359. The next prime is 27845772407. The reversal of 27845772366 is 66327754872.

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

27845772366 is an admirable number.

It is a congruent number.

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, 2320481025 + ... + 2320481036.

It is an arithmetic number, because the mean of its divisors is an integer number (6961443093).

Almost surely, 2^27845772366 is an apocalyptic number.

27845772366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27845772366 is a wasteful number, since it uses less digits than its factorization.

27845772366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640962066.

The product of its digits is 23708160, while the sum is 57.

The spelling of 27845772366 in words is "twenty-seven billion, eight hundred forty-five million, seven hundred seventy-two thousand, three hundred sixty-six".