9688340820 has 24 divisors (see below), whose sum is σ = 27127354464. Its totient is φ = 2583557536.

The previous prime is 9688340797. The next prime is 9688340821. The reversal of 9688340820 is 280438869.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9688340820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9688340821) 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, 80736114 + ... + 80736233.

It is an arithmetic number, because the mean of its divisors is an integer number (1130306436).

Almost surely, 2^9688340820 is an apocalyptic number.

It is an amenable number.

9688340820 is an abundant number, since it is smaller than the sum of its proper divisors (17439013644).

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

9688340820 is a wasteful number, since it uses less digits than its factorization.

9688340820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161472359 (or 161472357 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 9688340820 is about 98429.3697023404. The cubic root of 9688340820 is about 2131.8164187725.

The spelling of 9688340820 in words is "nine billion, six hundred eighty-eight million, three hundred forty thousand, eight hundred twenty".