8199047808 has 384 divisors, whose sum is σ = 28896192000. Its totient is φ = 2179270656.

The previous prime is 8199047807. The next prime is 8199047821. The reversal of 8199047808 is 8087409918.

8199047808 is a `hidden beast` number, since 81 + 9 + 90 + 478 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is not an unprimeable number, because it can be changed into a prime (8199047807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9039291 + ... + 9040197.

It is an arithmetic number, because the mean of its divisors is an integer number (75250500).

Almost surely, 2^8199047808 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 8199047808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14448096000).

8199047808 is an abundant number, since it is smaller than the sum of its proper divisors (20697144192).

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

8199047808 is a wasteful number, since it uses less digits than its factorization.

8199047808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 8199047808 is about 90548.5936279521. The cubic root of 8199047808 is about 2016.4516183989.

The spelling of 8199047808 in words is "eight billion, one hundred ninety-nine million, forty-seven thousand, eight hundred eight".