520376847 has 4 divisors (see below), whose sum is σ = 693835800. Its totient is φ = 346917896.

The previous prime is 520376803. The next prime is 520376861. The reversal of 520376847 is 748673025.

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 520376847 - 2¹⁸ = 520114703 is a prime.

It is a super-2 number, since 2×520376847² = 541584125787322818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520376799 and 520376808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520376867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86729472 + ... + 86729477.

It is an arithmetic number, because the mean of its divisors is an integer number (173458950).

Almost surely, 2^520376847 is an apocalyptic number.

520376847 is a deficient number, since it is larger than the sum of its proper divisors (173458953).

520376847 is a wasteful number, since it uses less digits than its factorization.

520376847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173458952.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 520376847 is about 22811.7699225641. The cubic root of 520376847 is about 804.3393610207.

The spelling of 520376847 in words is "five hundred twenty million, three hundred seventy-six thousand, eight hundred forty-seven".