854476391 has 2 divisors, whose sum is σ = 854476392. Its totient is φ = 854476390.

The previous prime is 854476339. The next prime is 854476411. The reversal of 854476391 is 193674458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 854476391 - 2⁶ = 854476327 is a prime.

It is a Chen prime.

It is equal to p_43799519 and since 854476391 and 43799519 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854476691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427238195 + 427238196.

It is an arithmetic number, because the mean of its divisors is an integer number (427238196).

Almost surely, 2^854476391 is an apocalyptic number.

854476391 is a deficient number, since it is larger than the sum of its proper divisors (1).

854476391 is an equidigital number, since it uses as much as digits as its factorization.

854476391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 854476391 is about 29231.4281382214. The cubic root of 854476391 is about 948.9282062112.

The spelling of 854476391 in words is "eight hundred fifty-four million, four hundred seventy-six thousand, three hundred ninety-one".