853398911 has 2 divisors, whose sum is σ = 853398912. Its totient is φ = 853398910.

The previous prime is 853398901. The next prime is 853398943. The reversal of 853398911 is 119893358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 853398911 - 2¹⁰ = 853397887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853398901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426699455 + 426699456.

It is an arithmetic number, because the mean of its divisors is an integer number (426699456).

Almost surely, 2^853398911 is an apocalyptic number.

853398911 is a deficient number, since it is larger than the sum of its proper divisors (1).

853398911 is an equidigital number, since it uses as much as digits as its factorization.

853398911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 47.

The square root of 853398911 is about 29212.9921610231. The cubic root of 853398911 is about 948.5291777378.

The spelling of 853398911 in words is "eight hundred fifty-three million, three hundred ninety-eight thousand, nine hundred eleven".