520887808 has 160 divisors (see below), whose sum is σ = 1272775680. Its totient is φ = 208158720.

The previous prime is 520887797. The next prime is 520887827. The reversal of 520887808 is 808788025.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5852628 + ... + 5852716.

It is an arithmetic number, because the mean of its divisors is an integer number (7954848).

Almost surely, 2^520887808 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 520887808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636387840).

520887808 is an abundant number, since it is smaller than the sum of its proper divisors (751887872).

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

520887808 is an equidigital number, since it uses as much as digits as its factorization.

520887808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 46.

The square root of 520887808 is about 22822.9666783265. The cubic root of 520887808 is about 804.6025367067.

The spelling of 520887808 in words is "five hundred twenty million, eight hundred eighty-seven thousand, eight hundred eight".