9685665308 has 48 divisors (see below), whose sum is σ = 18611752320. Its totient is φ = 4373880000.

The previous prime is 9685665281. The next prime is 9685665313. The reversal of 9685665308 is 8035665869.

It is a happy number.

It is a super-2 number, since 2×9685665308² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5620535 + ... + 5622257.

It is an arithmetic number, because the mean of its divisors is an integer number (387744840).

Almost surely, 2^9685665308 is an apocalyptic number.

It is an amenable number.

9685665308 is a deficient number, since it is larger than the sum of its proper divisors (8926087012).

9685665308 is a wasteful number, since it uses less digits than its factorization.

9685665308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498 (or 2496 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 56.

The square root of 9685665308 is about 98415.7777391410. Note that the first 4 decimals coincide. The cubic root of 9685665308 is about 2131.6201613796.

The spelling of 9685665308 in words is "nine billion, six hundred eighty-five million, six hundred sixty-five thousand, three hundred eight".