8120087328 has 48 divisors (see below), whose sum is σ = 21319877376. Its totient is φ = 2706105600.

The previous prime is 8120087321. The next prime is 8120087359. The reversal of 8120087328 is 8237800218.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (8120087321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815178 + ... + 825078.

It is an arithmetic number, because the mean of its divisors is an integer number (444164112).

Almost surely, 2^8120087328 is an apocalyptic number.

It is an amenable number.

8120087328 is an abundant number, since it is smaller than the sum of its proper divisors (13199790048).

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

8120087328 is a wasteful number, since it uses less digits than its factorization.

8120087328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18457 (or 18449 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 8120087328 is about 90111.5271649527. The cubic root of 8120087328 is about 2009.9576179772.

The spelling of 8120087328 in words is "eight billion, one hundred twenty million, eighty-seven thousand, three hundred twenty-eight".