800642297 has 16 divisors (see below), whose sum is σ = 1012042752. Its totient is φ = 616351680.

The previous prime is 800642281. The next prime is 800642303. The reversal of 800642297 is 792246008.

It is not a de Polignac number, because 800642297 - 2⁴ = 800642281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 800642297.

It is not an unprimeable number, because it can be changed into a prime (800642497) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 115529 + ... + 122262.

It is an arithmetic number, because the mean of its divisors is an integer number (63252672).

Almost surely, 2^800642297 is an apocalyptic number.

It is an amenable number.

800642297 is a deficient number, since it is larger than the sum of its proper divisors (211400455).

800642297 is a wasteful number, since it uses less digits than its factorization.

800642297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237848.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 800642297 is about 28295.6232834691. The cubic root of 800642297 is about 928.5661401457.

The spelling of 800642297 in words is "eight hundred million, six hundred forty-two thousand, two hundred ninety-seven".