505788316 has 12 divisors (see below), whose sum is σ = 965595960. Its totient is φ = 229903760.

The previous prime is 505788313. The next prime is 505788329. The reversal of 505788316 is 613887505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505788313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5747551 + ... + 5747638.

It is an arithmetic number, because the mean of its divisors is an integer number (80466330).

Almost surely, 2^505788316 is an apocalyptic number.

It is an amenable number.

505788316 is a deficient number, since it is larger than the sum of its proper divisors (459807644).

505788316 is a wasteful number, since it uses less digits than its factorization.

505788316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11495204 (or 11495202 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 505788316 is about 22489.7380153705. The cubic root of 505788316 is about 796.7515754423.

The spelling of 505788316 in words is "five hundred five million, seven hundred eighty-eight thousand, three hundred sixteen".