506784377128 has 16 divisors (see below), whose sum is σ = 956513561760. Its totient is φ = 251714094000.

The previous prime is 506784377117. The next prime is 506784377129. The reversal of 506784377128 is 821773487605.

It is not an unprimeable number, because it can be changed into a prime (506784377129) 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, 209760538 + ... + 209762953.

It is an arithmetic number, because the mean of its divisors is an integer number (59782097610).

Almost surely, 2^506784377128 is an apocalyptic number.

It is an amenable number.

506784377128 is a deficient number, since it is larger than the sum of its proper divisors (449729184632).

506784377128 is a wasteful number, since it uses less digits than its factorization.

506784377128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419523648 (or 419523644 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 58.

The spelling of 506784377128 in words is "five hundred six billion, seven hundred eighty-four million, three hundred seventy-seven thousand, one hundred twenty-eight".