9785708368 has 20 divisors (see below), whose sum is σ = 20075093460. Its totient is φ = 4605039104.

The previous prime is 9785708329. The next prime is 9785708399. The reversal of 9785708368 is 8638075879.

It can be written as a sum of positive squares in 2 ways, for example, as 5677923904 + 4107784464 = 75352^2 + 64092^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17988163 + ... + 17988706.

It is an arithmetic number, because the mean of its divisors is an integer number (1003754673).

Almost surely, 2^9785708368 is an apocalyptic number.

It is an amenable number.

9785708368 is an abundant number, since it is smaller than the sum of its proper divisors (10289385092).

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

9785708368 is a wasteful number, since it uses less digits than its factorization.

9785708368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35976894 (or 35976888 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 61.

The square root of 9785708368 is about 98922.7393878677. The cubic root of 9785708368 is about 2138.9341919551.

The spelling of 9785708368 in words is "nine billion, seven hundred eighty-five million, seven hundred eight thousand, three hundred sixty-eight".