507778268 has 36 divisors (see below), whose sum is σ = 978682320. Its totient is φ = 230053824.

The previous prime is 507778261. The next prime is 507778273. The reversal of 507778268 is 862877705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507778261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25568 + ... + 40856.

It is an arithmetic number, because the mean of its divisors is an integer number (27185620).

Almost surely, 2^507778268 is an apocalyptic number.

It is an amenable number.

507778268 is a deficient number, since it is larger than the sum of its proper divisors (470904052).

507778268 is a wasteful number, since it uses less digits than its factorization.

507778268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15354 (or 15333 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 50.

The square root of 507778268 is about 22533.9359189645. The cubic root of 507778268 is about 797.7951099075.

The spelling of 507778268 in words is "five hundred seven million, seven hundred seventy-eight thousand, two hundred sixty-eight".