9938765850 has 96 divisors (see below), whose sum is σ = 27400579584. Its totient is φ = 2367532800.

The previous prime is 9938765839. The next prime is 9938765857. The reversal of 9938765850 is 585678399.

It is a super-2 number, since 2×9938765850² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9938765857) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21757 + ... + 142656.

It is an arithmetic number, because the mean of its divisors is an integer number (285422704).

Almost surely, 2^9938765850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9938765850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13700289792).

9938765850 is an abundant number, since it is smaller than the sum of its proper divisors (17461813734).

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

9938765850 is a wasteful number, since it uses less digits than its factorization.

9938765850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164472 (or 164467 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 60.

The square root of 9938765850 is about 99693.3591068131. The cubic root of 9938765850 is about 2150.0281842348.

The spelling of 9938765850 in words is "nine billion, nine hundred thirty-eight million, seven hundred sixty-five thousand, eight hundred fifty".