520830770 has 8 divisors (see below), whose sum is σ = 937495404. Its totient is φ = 208332304.

The previous prime is 520830769. The next prime is 520830787. The reversal of 520830770 is 77038025.

It can be written as a sum of positive squares in 2 ways, for example, as 482724841 + 38105929 = 21971^2 + 6173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26041529 + ... + 26041548.

Almost surely, 2^520830770 is an apocalyptic number.

520830770 is a deficient number, since it is larger than the sum of its proper divisors (416664634).

520830770 is a wasteful number, since it uses less digits than its factorization.

520830770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52083084.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 520830770 is about 22821.7170694933. The cubic root of 520830770 is about 804.5731672379.

Adding to 520830770 its reverse (77038025), we get a palindrome (597868795).

The spelling of 520830770 in words is "five hundred twenty million, eight hundred thirty thousand, seven hundred seventy".