508205968 has 10 divisors (see below), whose sum is σ = 984649094. Its totient is φ = 254102976.

The previous prime is 508205963. The next prime is 508205969. The reversal of 508205968 is 869502805.

It can be written as a sum of positive squares in only one way, i.e., 278622864 + 229583104 = 16692^2 + 15152^2 .

It is not an unprimeable number, because it can be changed into a prime (508205963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15881421 + ... + 15881452.

Almost surely, 2^508205968 is an apocalyptic number.

It is an amenable number.

508205968 is a deficient number, since it is larger than the sum of its proper divisors (476443126).

508205968 is a wasteful number, since it uses less digits than its factorization.

508205968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31762881 (or 31762875 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 508205968 is about 22543.4240522597. The cubic root of 508205968 is about 798.0190404646.

The spelling of 508205968 in words is "five hundred eight million, two hundred five thousand, nine hundred sixty-eight".