9408785994 has 24 divisors (see below), whose sum is σ = 20387532672. Its totient is φ = 3135980520.

The previous prime is 9408785993. The next prime is 9408785999. The reversal of 9408785994 is 4995878049.

It is not an unprimeable number, because it can be changed into a prime (9408785993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313447 + ... + 342149.

It is an arithmetic number, because the mean of its divisors is an integer number (849480528).

Almost surely, 2^9408785994 is an apocalyptic number.

9408785994 is an abundant number, since it is smaller than the sum of its proper divisors (10978746678).

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

9408785994 is a wasteful number, since it uses less digits than its factorization.

9408785994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46922 (or 46919 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The square root of 9408785994 is about 96998.8968700160. The cubic root of 9408785994 is about 2111.1116230250. Note that the first 3 decimals are identical.

It can be divided in two parts, 94087 and 85994, that added together give a palindrome (180081).

The spelling of 9408785994 in words is "nine billion, four hundred eight million, seven hundred eighty-five thousand, nine hundred ninety-four".