8685196986 has 16 divisors (see below), whose sum is σ = 17431776864. Its totient is φ = 2884835184.

The previous prime is 8685196967. The next prime is 8685196991. The reversal of 8685196986 is 6896915868.

8685196986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 2555781 + ... + 2559176.

It is an arithmetic number, because the mean of its divisors is an integer number (1089486054).

Almost surely, 2^8685196986 is an apocalyptic number.

8685196986 is an abundant number, since it is smaller than the sum of its proper divisors (8746579878).

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

8685196986 is a wasteful number, since it uses less digits than its factorization.

8685196986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5115245.

The product of its digits is 44789760, while the sum is 66.

The square root of 8685196986 is about 93194.4042633462. The cubic root of 8685196986 is about 2055.5429594006.

The spelling of 8685196986 in words is "eight billion, six hundred eighty-five million, one hundred ninety-six thousand, nine hundred eighty-six".