312800668 has 6 divisors (see below), whose sum is σ = 547401176. Its totient is φ = 156400332.

The previous prime is 312800599. The next prime is 312800669. The reversal of 312800668 is 866008213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312800669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39100080 + ... + 39100087.

Almost surely, 2^312800668 is an apocalyptic number.

It is an amenable number.

312800668 is a deficient number, since it is larger than the sum of its proper divisors (234600508).

312800668 is a wasteful number, since it uses less digits than its factorization.

312800668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78200171 (or 78200169 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 312800668 is about 17686.1716603679. The cubic root of 312800668 is about 678.8219713247.

The spelling of 312800668 in words is "three hundred twelve million, eight hundred thousand, six hundred sixty-eight".