800197056 has 112 divisors (see below), whose sum is σ = 2381890080. Its totient is φ = 266685696.

The previous prime is 800197049. The next prime is 800197061. The reversal of 800197056 is 650791008.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 800197056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137110 + ... + 142826.

Almost surely, 2^800197056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800197056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1190945040).

800197056 is an abundant number, since it is smaller than the sum of its proper divisors (1581693024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

800197056 is an frugal number, since it uses more digits than its factorization.

800197056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5750 (or 5722 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 800197056 is about 28287.7545238218. The cubic root of 800197056 is about 928.3939815426.

The spelling of 800197056 in words is "eight hundred million, one hundred ninety-seven thousand, fifty-six".