506783776 has 12 divisors (see below), whose sum is σ = 997730622. Its totient is φ = 253391872.

The previous prime is 506783773. The next prime is 506783777. The reversal of 506783776 is 677387605.

It can be written as a sum of positive squares in only one way, i.e., 423536400 + 83247376 = 20580^2 + 9124^2 .

It is not an unprimeable number, because it can be changed into a prime (506783773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7918465 + ... + 7918528.

Almost surely, 2^506783776 is an apocalyptic number.

It is an amenable number.

506783776 is a deficient number, since it is larger than the sum of its proper divisors (490946846).

506783776 is a wasteful number, since it uses less digits than its factorization.

506783776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15837003 (or 15836995 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The square root of 506783776 is about 22511.8585638770. The cubic root of 506783776 is about 797.2739379501.

The spelling of 506783776 in words is "five hundred six million, seven hundred eighty-three thousand, seven hundred seventy-six".