8199443376 has 100 divisors (see below), whose sum is σ = 23778909352. Its totient is φ = 2727696384.

The previous prime is 8199443323. The next prime is 8199443377. The reversal of 8199443376 is 6733449918.

It is a happy number.

8199443376 is a `hidden beast` number, since 8 + 199 + 443 + 3 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (8199443377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 671760 + ... + 683856.

Almost surely, 2^8199443376 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 8199443376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11889454676).

8199443376 is an abundant number, since it is smaller than the sum of its proper divisors (15579465976).

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

8199443376 is a wasteful number, since it uses less digits than its factorization.

8199443376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12640 (or 12625 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 8199443376 is about 90550.7778873268. Note that the first 3 decimals coincide. The cubic root of 8199443376 is about 2016.4840461851.

The spelling of 8199443376 in words is "eight billion, one hundred ninety-nine million, four hundred forty-three thousand, three hundred seventy-six".