808900243 has 4 divisors (see below), whose sum is σ = 851473960. Its totient is φ = 766326528.

The previous prime is 808900223. The next prime is 808900259. The reversal of 808900243 is 342009808.

808900243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 808900243 - 2⁹ = 808899731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 808900199 and 808900208.

It is not an unprimeable number, because it can be changed into a prime (808900223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21286830 + ... + 21286867.

It is an arithmetic number, because the mean of its divisors is an integer number (212868490).

Almost surely, 2^808900243 is an apocalyptic number.

808900243 is a deficient number, since it is larger than the sum of its proper divisors (42573717).

808900243 is a wasteful number, since it uses less digits than its factorization.

808900243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42573716.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 808900243 is about 28441.1716179204. The cubic root of 808900243 is about 931.7476840817.

The spelling of 808900243 in words is "eight hundred eight million, nine hundred thousand, two hundred forty-three".