8686686922 has 16 divisors (see below), whose sum is σ = 13329493632. Its totient is φ = 4243831200.

The previous prime is 8686686889. The next prime is 8686686923. The reversal of 8686686922 is 2296866868.

It is not an unprimeable number, because it can be changed into a prime (8686686923) 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, 20388 + ... + 133375.

It is an arithmetic number, because the mean of its divisors is an integer number (833093352).

Almost surely, 2^8686686922 is an apocalyptic number.

8686686922 is a deficient number, since it is larger than the sum of its proper divisors (4642806710).

8686686922 is a wasteful number, since it uses less digits than its factorization.

8686686922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154413.

The product of its digits is 23887872, while the sum is 61.

The square root of 8686686922 is about 93202.3976193746. The cubic root of 8686686922 is about 2055.6604947252.

The spelling of 8686686922 in words is "eight billion, six hundred eighty-six million, six hundred eighty-six thousand, nine hundred twenty-two".