8205686696 has 32 divisors (see below), whose sum is σ = 15500479680. Its totient is φ = 4072272000.

The previous prime is 8205686627. The next prime is 8205686707. The reversal of 8205686696 is 6966865028.

It is a super-2 number, since 2×8205686696² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2076995 + ... + 2080941.

It is an arithmetic number, because the mean of its divisors is an integer number (484389990).

Almost surely, 2^8205686696 is an apocalyptic number.

It is an amenable number.

8205686696 is a deficient number, since it is larger than the sum of its proper divisors (7294792984).

8205686696 is a wasteful number, since it uses less digits than its factorization.

8205686696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5825 (or 5821 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 56.

The square root of 8205686696 is about 90585.2454652522. The cubic root of 8205686696 is about 2016.9957216157.

The spelling of 8205686696 in words is "eight billion, two hundred five million, six hundred eighty-six thousand, six hundred ninety-six".