9685775424 has 112 divisors (see below), whose sum is σ = 28550128320. Its totient is φ = 2877450240.

The previous prime is 9685775419. The next prime is 9685775447. The reversal of 9685775424 is 4245775869.

It is a happy 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, 5479 + ... + 139289.

It is an arithmetic number, because the mean of its divisors is an integer number (254911860).

Almost surely, 2^9685775424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9685775424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14275064160).

9685775424 is an abundant number, since it is smaller than the sum of its proper divisors (18864352896).

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

9685775424 is a wasteful number, since it uses less digits than its factorization.

9685775424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133868 (or 133858 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 57.

The square root of 9685775424 is about 98416.3371803686. The cubic root of 9685775424 is about 2131.6282394548.

The spelling of 9685775424 in words is "nine billion, six hundred eighty-five million, seven hundred seventy-five thousand, four hundred twenty-four".