9239980764 has 72 divisors (see below), whose sum is σ = 25210205328. Its totient is φ = 2626283520.

The previous prime is 9239980723. The next prime is 9239980781. The reversal of 9239980764 is 4670899329.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72774 + ... + 154194.

Almost surely, 2^9239980764 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 9239980764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12605102664).

9239980764 is an abundant number, since it is smaller than the sum of its proper divisors (15970224564).

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

9239980764 is a wasteful number, since it uses less digits than its factorization.

9239980764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81635 (or 81626 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 57.

The square root of 9239980764 is about 96124.8186682295. The cubic root of 9239980764 is about 2098.4100409531.

The spelling of 9239980764 in words is "nine billion, two hundred thirty-nine million, nine hundred eighty thousand, seven hundred sixty-four".