9397706686 has 16 divisors (see below), whose sum is σ = 14340842208. Its totient is φ = 4617849600.

The previous prime is 9397706683. The next prime is 9397706707. The reversal of 9397706686 is 6866077939.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9397706683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61275 + ... + 150166.

It is an arithmetic number, because the mean of its divisors is an integer number (896302638).

Almost surely, 2^9397706686 is an apocalyptic number.

9397706686 is a deficient number, since it is larger than the sum of its proper divisors (4943135522).

9397706686 is a wasteful number, since it uses less digits than its factorization.

9397706686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211827.

The product of its (nonzero) digits is 20575296, while the sum is 61.

The square root of 9397706686 is about 96941.7695629701. The cubic root of 9397706686 is about 2110.2826516521.

The spelling of 9397706686 in words is "nine billion, three hundred ninety-seven million, seven hundred six thousand, six hundred eighty-six".