8329199872 has 144 divisors (see below), whose sum is σ = 19444424832. Its totient is φ = 3487334400.

The previous prime is 8329199863. The next prime is 8329199873. The reversal of 8329199872 is 2789919238.

It is not an unprimeable number, because it can be changed into a prime (8329199873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20770872 + ... + 20771272.

It is an arithmetic number, because the mean of its divisors is an integer number (135030728).

Almost surely, 2^8329199872 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 8329199872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9722212416).

8329199872 is an abundant number, since it is smaller than the sum of its proper divisors (11115224960).

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

8329199872 is a wasteful number, since it uses less digits than its factorization.

8329199872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 650 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 58.

The square root of 8329199872 is about 91264.4502092682. The cubic root of 8329199872 is about 2027.0654024629.

The spelling of 8329199872 in words is "eight billion, three hundred twenty-nine million, one hundred ninety-nine thousand, eight hundred seventy-two".