520674464177 has 12 divisors (see below), whose sum is σ = 609540399540. Its totient is φ = 443449764576.

The previous prime is 520674464119. The next prime is 520674464197. The reversal of 520674464177 is 771464476025.

It can be written as a sum of positive squares in 2 ways, for example, as 376984948081 + 143689516096 = 613991^2 + 379064^2 .

It is not a de Polignac number, because 520674464177 - 2⁶ = 520674464113 is a prime.

It is a super-2 number, since 2×520674464177² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520674464197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33833102 + ... + 33848487.

It is an arithmetic number, because the mean of its divisors is an integer number (50795033295).

Almost surely, 2^520674464177 is an apocalyptic number.

It is an amenable number.

520674464177 is a deficient number, since it is larger than the sum of its proper divisors (88865935363).

520674464177 is a wasteful number, since it uses less digits than its factorization.

520674464177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67681760 (or 67681753 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 53.

The spelling of 520674464177 in words is "five hundred twenty billion, six hundred seventy-four million, four hundred sixty-four thousand, one hundred seventy-seven".