800444794 has 4 divisors (see below), whose sum is σ = 1200667194. Its totient is φ = 400222396.

The previous prime is 800444783. The next prime is 800444819. The reversal of 800444794 is 497444008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 769230225 + 31214569 = 27735^2 + 5587^2 .

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, 200111197 + ... + 200111200.

Almost surely, 2^800444794 is an apocalyptic number.

800444794 is a deficient number, since it is larger than the sum of its proper divisors (400222400).

800444794 is a wasteful number, since it uses less digits than its factorization.

800444794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400222399.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 800444794 is about 28292.1330761751. The cubic root of 800444794 is about 928.4897807523.

The spelling of 800444794 in words is "eight hundred million, four hundred forty-four thousand, seven hundred ninety-four".