520884821227 has 4 divisors (see below), whose sum is σ = 520928860176. Its totient is φ = 520840782280.

The previous prime is 520884821221. The next prime is 520884821273. The reversal of 520884821227 is 722128488025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 520884821227 - 2²³ = 520876432619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520884821221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22001728 + ... + 22025389.

It is an arithmetic number, because the mean of its divisors is an integer number (130232215044).

Almost surely, 2^520884821227 is an apocalyptic number.

520884821227 is a deficient number, since it is larger than the sum of its proper divisors (44038949).

520884821227 is a wasteful number, since it uses less digits than its factorization.

520884821227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44038948.

The product of its (nonzero) digits is 1146880, while the sum is 49.

The spelling of 520884821227 in words is "five hundred twenty billion, eight hundred eighty-four million, eight hundred twenty-one thousand, two hundred twenty-seven".