8005327812 has 72 divisors (see below), whose sum is σ = 21441420000. Its totient is φ = 2509671168.

The previous prime is 8005327789. The next prime is 8005327819. The reversal of 8005327812 is 2187235008.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (8005327819) 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 23 ways as a sum of consecutive naturals, for example, 1035939 + ... + 1043637.

It is an arithmetic number, because the mean of its divisors is an integer number (297797500).

Almost surely, 2^8005327812 is an apocalyptic number.

It is an amenable number.

8005327812 is an abundant number, since it is smaller than the sum of its proper divisors (13436092188).

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

8005327812 is a wasteful number, since it uses less digits than its factorization.

8005327812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9425 (or 9420 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 8005327812 is about 89472.4975173936. The cubic root of 8005327812 is about 2000.4438858087.

The spelling of 8005327812 in words is "eight billion, five million, three hundred twenty-seven thousand, eight hundred twelve".