8075821392 has 40 divisors (see below), whose sum is σ = 23180599680. Its totient is φ = 2691940320.

The previous prime is 8075821367. The next prime is 8075821451. The reversal of 8075821392 is 2931285708.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9346584 + ... + 9347447.

It is an arithmetic number, because the mean of its divisors is an integer number (579514992).

Almost surely, 2^8075821392 is an apocalyptic number.

It is an amenable number.

8075821392 is an abundant number, since it is smaller than the sum of its proper divisors (15104778288).

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

8075821392 is a wasteful number, since it uses less digits than its factorization.

8075821392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18694048 (or 18694036 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 8075821392 is about 89865.5740091833. The cubic root of 8075821392 is about 2006.2985923771.

The spelling of 8075821392 in words is "eight billion, seventy-five million, eight hundred twenty-one thousand, three hundred ninety-two".