507768569 has 16 divisors (see below), whose sum is σ = 654894720. Its totient is φ = 382018560.

The previous prime is 507768557. The next prime is 507768571. The reversal of 507768569 is 965867705.

It is a happy number.

It is not a de Polignac number, because 507768569 - 2¹² = 507764473 is a prime.

It is a super-2 number, since 2×507768569² = 515657839328615522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 507768569.

It is not an unprimeable number, because it can be changed into a prime (507762569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111464 + ... + 115929.

It is an arithmetic number, because the mean of its divisors is an integer number (40930920).

Almost surely, 2^507768569 is an apocalyptic number.

It is an amenable number.

507768569 is a deficient number, since it is larger than the sum of its proper divisors (147126151).

507768569 is a wasteful number, since it uses less digits than its factorization.

507768569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227440.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The square root of 507768569 is about 22533.7207091949. The cubic root of 507768569 is about 797.7900303518.

The spelling of 507768569 in words is "five hundred seven million, seven hundred sixty-eight thousand, five hundred sixty-nine".