320875008 has 80 divisors (see below), whose sum is σ = 858828960. Its totient is φ = 106459136.

The previous prime is 320875007. The next prime is 320875069. The reversal of 320875008 is 800578023.

It is a self number, because there is not a number n which added to its sum of digits gives 320875008.

It is not an unprimeable number, because it can be changed into a prime (320875007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486583 + ... + 487241.

It is an arithmetic number, because the mean of its divisors is an integer number (10735362).

Almost surely, 2^320875008 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 320875008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429414480).

320875008 is an abundant number, since it is smaller than the sum of its proper divisors (537953952).

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

320875008 is an equidigital number, since it uses as much as digits as its factorization.

320875008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 981 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 320875008 is about 17912.9843409746. The cubic root of 320875008 is about 684.6132457231.

The spelling of 320875008 in words is "three hundred twenty million, eight hundred seventy-five thousand, eight".