668824275 has 48 divisors (see below), whose sum is σ = 1289600000. Its totient is φ = 305736480.

The previous prime is 668824249. The next prime is 668824283. The reversal of 668824275 is 572428866.

It is not a de Polignac number, because 668824275 - 2⁵ = 668824243 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 12726 + ... + 38724.

Almost surely, 2^668824275 is an apocalyptic number.

668824275 is a deficient number, since it is larger than the sum of its proper divisors (620775725).

668824275 is a wasteful number, since it uses less digits than its factorization.

668824275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26033 (or 26014 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 668824275 is about 25861.6371291533. The cubic root of 668824275 is about 874.5218721166.

The spelling of 668824275 in words is "six hundred sixty-eight million, eight hundred twenty-four thousand, two hundred seventy-five".