520786671753 has 4 divisors (see below), whose sum is σ = 694382229008. Its totient is φ = 347191114500.

The previous prime is 520786671689. The next prime is 520786671841. The reversal of 520786671753 is 357176687025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 520786671753 - 2⁶ = 520786671689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520786671693 and 520786671702.

It is not an unprimeable number, because it can be changed into a prime (520786673753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86797778623 + ... + 86797778628.

It is an arithmetic number, because the mean of its divisors is an integer number (173595557252).

Almost surely, 2^520786671753 is an apocalyptic number.

It is an amenable number.

520786671753 is a deficient number, since it is larger than the sum of its proper divisors (173595557255).

520786671753 is a wasteful number, since it uses less digits than its factorization.

520786671753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173595557254.

The product of its (nonzero) digits is 14817600, while the sum is 57.

The spelling of 520786671753 in words is "five hundred twenty billion, seven hundred eighty-six million, six hundred seventy-one thousand, seven hundred fifty-three".