8069943996 has 72 divisors (see below), whose sum is σ = 21628741680. Its totient is φ = 2528257536.

The previous prime is 8069943971. The next prime is 8069943997. The reversal of 8069943996 is 6993499608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8069943997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 454575 + ... + 471993.

It is an arithmetic number, because the mean of its divisors is an integer number (300399190).

Almost surely, 2^8069943996 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 8069943996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10814370840).

8069943996 is an abundant number, since it is smaller than the sum of its proper divisors (13558797684).

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

8069943996 is a wasteful number, since it uses less digits than its factorization.

8069943996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18203 (or 18198 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 63.

The square root of 8069943996 is about 89832.8670142504. The cubic root of 8069943996 is about 2005.8117616879.

The spelling of 8069943996 in words is "eight billion, sixty-nine million, nine hundred forty-three thousand, nine hundred ninety-six".