506343777606 has 24 divisors (see below), whose sum is σ = 1097818012200. Its totient is φ = 168667439616.

The previous prime is 506343777587. The next prime is 506343777607. The reversal of 506343777606 is 606777343605.

506343777606 is a `hidden beast` number, since 506 + 3 + 4 + 3 + 7 + 77 + 60 + 6 = 666.

It is a super-2 number, since 2×506343777606² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506343777607) 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, 9457531 + ... + 9510918.

It is an arithmetic number, because the mean of its divisors is an integer number (45742417175).

Almost surely, 2^506343777606 is an apocalyptic number.

506343777606 is an abundant number, since it is smaller than the sum of its proper divisors (591474234594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506343777606 is a wasteful number, since it uses less digits than its factorization.

506343777606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18969940 (or 18969937 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 54.

The spelling of 506343777606 in words is "five hundred six billion, three hundred forty-three million, seven hundred seventy-seven thousand, six hundred six".