8091821024 has 48 divisors (see below), whose sum is σ = 19277582688. Its totient is φ = 3263926272.

The previous prime is 8091821009. The next prime is 8091821033. The reversal of 8091821024 is 4201281908.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1058669 + ... + 1066284.

It is an arithmetic number, because the mean of its divisors is an integer number (401616306).

Almost surely, 2^8091821024 is an apocalyptic number.

It is an amenable number.

8091821024 is an abundant number, since it is smaller than the sum of its proper divisors (11185761664).

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

8091821024 is a wasteful number, since it uses less digits than its factorization.

8091821024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124987 (or 2124979 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 8091821024 is about 89954.5497682024. The cubic root of 8091821024 is about 2007.6226625979.

The spelling of 8091821024 in words is "eight billion, ninety-one million, eight hundred twenty-one thousand, twenty-four".