854898911 has 2 divisors, whose sum is σ = 854898912. Its totient is φ = 854898910.

The previous prime is 854898893. The next prime is 854898923. The reversal of 854898911 is 119898458.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-854898911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854898991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427449455 + 427449456.

It is an arithmetic number, because the mean of its divisors is an integer number (427449456).

Almost surely, 2^854898911 is an apocalyptic number.

854898911 is a deficient number, since it is larger than the sum of its proper divisors (1).

854898911 is an equidigital number, since it uses as much as digits as its factorization.

854898911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 53.

The square root of 854898911 is about 29238.6543979028. The cubic root of 854898911 is about 949.0845885612.

The spelling of 854898911 in words is "eight hundred fifty-four million, eight hundred ninety-eight thousand, nine hundred eleven".