8198129808 has 60 divisors (see below), whose sum is σ = 25029143568. Its totient is φ = 2484281280.

The previous prime is 8198129801. The next prime is 8198129813. The reversal of 8198129808 is 8089218918.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8198129801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2586210 + ... + 2589377.

Almost surely, 2^8198129808 is an apocalyptic number.

8198129808 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8198129808 is an abundant number, since it is smaller than the sum of its proper divisors (16831013760).

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

8198129808 is a wasteful number, since it uses less digits than its factorization.

8198129808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175612 (or 5175603 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 54.

The square root of 8198129808 is about 90543.5243846847. The cubic root of 8198129808 is about 2016.3763587786.

The spelling of 8198129808 in words is "eight billion, one hundred ninety-eight million, one hundred twenty-nine thousand, eight hundred eight".