805208064 has 64 divisors (see below), whose sum is σ = 2147450880. Its totient is φ = 268369920.

The previous prime is 805208039. The next prime is 805208071. The reversal of 805208064 is 460802508.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 94209 + ... + 102399.

It is an arithmetic number, because the mean of its divisors is an integer number (33553920).

Almost surely, 2^805208064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805208064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073725440).

805208064 is an abundant number, since it is smaller than the sum of its proper divisors (1342242816).

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

805208064 is an frugal number, since it uses more digits than its factorization.

805208064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8224 (or 8196 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 805208064 is about 28376.1883275397. The cubic root of 805208064 is about 930.3278853105.

The spelling of 805208064 in words is "eight hundred five million, two hundred eight thousand, sixty-four".