822984853 has 2 divisors, whose sum is σ = 822984854. Its totient is φ = 822984852.

The previous prime is 822984817. The next prime is 822984857. The reversal of 822984853 is 358489228.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 545362609 + 277622244 = 23353^2 + 16662^2 .

It is a cyclic number.

It is not a de Polignac number, because 822984853 - 2⁹ = 822984341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 822984797 and 822984806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (822984857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411492426 + 411492427.

It is an arithmetic number, because the mean of its divisors is an integer number (411492427).

Almost surely, 2^822984853 is an apocalyptic number.

It is an amenable number.

822984853 is a deficient number, since it is larger than the sum of its proper divisors (1).

822984853 is an equidigital number, since it uses as much as digits as its factorization.

822984853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 49.

The square root of 822984853 is about 28687.7125787331. The cubic root of 822984853 is about 937.1244753304.

The spelling of 822984853 in words is "eight hundred twenty-two million, nine hundred eighty-four thousand, eight hundred fifty-three".