841780853 has 2 divisors, whose sum is σ = 841780854. Its totient is φ = 841780852.

The previous prime is 841780847. The next prime is 841780889. The reversal of 841780853 is 358087148.

841780853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 718615249 + 123165604 = 26807^2 + 11098^2 .

It is a cyclic number.

It is not a de Polignac number, because 841780853 - 2¹⁸ = 841518709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (841786853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420890426 + 420890427.

It is an arithmetic number, because the mean of its divisors is an integer number (420890427).

Almost surely, 2^841780853 is an apocalyptic number.

It is an amenable number.

841780853 is a deficient number, since it is larger than the sum of its proper divisors (1).

841780853 is an equidigital number, since it uses as much as digits as its factorization.

841780853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 841780853 is about 29013.4598591757. The cubic root of 841780853 is about 944.2051126673.

The spelling of 841780853 in words is "eight hundred forty-one million, seven hundred eighty thousand, eight hundred fifty-three".