520852378 has 16 divisors (see below), whose sum is σ = 800395200. Its totient is φ = 254068416.

The previous prime is 520852337. The next prime is 520852399. The reversal of 520852378 is 873258025.

It is a self number, because there is not a number n which added to its sum of digits gives 520852378.

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, 80923 + ... + 87121.

It is an arithmetic number, because the mean of its divisors is an integer number (50024700).

Almost surely, 2^520852378 is an apocalyptic number.

520852378 is a deficient number, since it is larger than the sum of its proper divisors (279542822).

520852378 is a wasteful number, since it uses less digits than its factorization.

520852378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 520852378 is about 22822.1904733091. The cubic root of 520852378 is about 804.5842936777.

The spelling of 520852378 in words is "five hundred twenty million, eight hundred fifty-two thousand, three hundred seventy-eight".