800045668 has 6 divisors (see below), whose sum is σ = 1400079926. Its totient is φ = 400022832.

The previous prime is 800045657. The next prime is 800045671. The reversal of 800045668 is 866540008.

It can be written as a sum of positive squares in only one way, i.e., 485409024 + 314636644 = 22032^2 + 17738^2 .

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 as a sum of consecutive naturals, namely, 100005705 + ... + 100005712.

Almost surely, 2^800045668 is an apocalyptic number.

It is an amenable number.

800045668 is a deficient number, since it is larger than the sum of its proper divisors (600034258).

800045668 is a wasteful number, since it uses less digits than its factorization.

800045668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200011421 (or 200011419 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 800045668 is about 28285.0785397531. The cubic root of 800045668 is about 928.3354307263.

The spelling of 800045668 in words is "eight hundred million, forty-five thousand, six hundred sixty-eight".