520247357036707 has 4 divisors (see below), whose sum is σ = 528012242962696. Its totient is φ = 512482471110720.

The previous prime is 520247357036683. The next prime is 520247357036831. The reversal of 520247357036707 is 707630753742025.

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 520247357036707 - 2¹¹ = 520247357034659 is a prime.

It is a super-4 number, since 4×520247357036707⁴ (a number of 60 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520247327036707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3882442962894 + ... + 3882442963027.

It is an arithmetic number, because the mean of its divisors is an integer number (132003060740674).

Almost surely, 2^{520247357036707} is an apocalyptic number.

520247357036707 is a deficient number, since it is larger than the sum of its proper divisors (7764885925989).

520247357036707 is an equidigital number, since it uses as much as digits as its factorization.

520247357036707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7764885925988.

The product of its (nonzero) digits is 51861600, while the sum is 58.

The spelling of 520247357036707 in words is "five hundred twenty trillion, two hundred forty-seven billion, three hundred fifty-seven million, thirty-six thousand, seven hundred seven".