8939387792 has 20 divisors (see below), whose sum is σ = 17336390400. Its totient is φ = 4465480608.

The previous prime is 8939387783. The next prime is 8939387839. The reversal of 8939387792 is 2977839398.

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, 245792 + ... + 279807.

It is an arithmetic number, because the mean of its divisors is an integer number (866819520).

Almost surely, 2^8939387792 is an apocalyptic number.

It is an amenable number.

8939387792 is a deficient number, since it is larger than the sum of its proper divisors (8397002608).

8939387792 is a wasteful number, since it uses less digits than its factorization.

8939387792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526670 (or 526664 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 65.

The square root of 8939387792 is about 94548.3357442107. The cubic root of 8939387792 is about 2075.4037278586.

The spelling of 8939387792 in words is "eight billion, nine hundred thirty-nine million, three hundred eighty-seven thousand, seven hundred ninety-two".