8205665027 has 8 divisors (see below), whose sum is σ = 9427003392. Its totient is φ = 6996601800.

The previous prime is 8205665023. The next prime is 8205665051. The reversal of 8205665027 is 7205665028.

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 8205665027 - 2² = 8205665023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8205665021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3067349 + ... + 3070022.

It is an arithmetic number, because the mean of its divisors is an integer number (1178375424).

Almost surely, 2^8205665027 is an apocalyptic number.

8205665027 is a deficient number, since it is larger than the sum of its proper divisors (1221338365).

8205665027 is a wasteful number, since it uses less digits than its factorization.

8205665027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137569.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 8205665027 is about 90585.1258596024. The cubic root of 8205665027 is about 2016.9939461674.

Subtracting from 8205665027 its reverse (7205665028), we obtain a palindrome (999999999).

The spelling of 8205665027 in words is "eight billion, two hundred five million, six hundred sixty-five thousand, twenty-seven".