841800805 has 16 divisors (see below), whose sum is σ = 1057515264. Its totient is φ = 642062080.

The previous prime is 841800803. The next prime is 841800821. The reversal of 841800805 is 508008148.

841800805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 841800805 - 2¹ = 841800803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841800803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23997 + ... + 47533.

It is an arithmetic number, because the mean of its divisors is an integer number (66094704).

Almost surely, 2^841800805 is an apocalyptic number.

It is an amenable number.

841800805 is a deficient number, since it is larger than the sum of its proper divisors (215714459).

841800805 is a wasteful number, since it uses less digits than its factorization.

841800805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23876.

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 841800805 is about 29013.8036975506. The cubic root of 841800805 is about 944.2125724995.

The spelling of 841800805 in words is "eight hundred forty-one million, eight hundred thousand, eight hundred five".