520341335616477 has 4 divisors (see below), whose sum is σ = 693788447488640. Its totient is φ = 346894223744316.

The previous prime is 520341335616467. The next prime is 520341335616547. The reversal of 520341335616477 is 774616533143025.

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 520341335616477 - 2¹⁵ = 520341335583709 is a prime.

It is a super-2 number, since 2×520341335616477² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520341335616437) 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, 86723555936077 + ... + 86723555936082.

It is an arithmetic number, because the mean of its divisors is an integer number (173447111872160).

Almost surely, 2^{520341335616477} is an apocalyptic number.

It is an amenable number.

520341335616477 is a deficient number, since it is larger than the sum of its proper divisors (173447111872163).

520341335616477 is a wasteful number, since it uses less digits than its factorization.

520341335616477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173447111872162.

The product of its (nonzero) digits is 38102400, while the sum is 57.

The spelling of 520341335616477 in words is "five hundred twenty trillion, three hundred forty-one billion, three hundred thirty-five million, six hundred sixteen thousand, four hundred seventy-seven".