854487899 has 2 divisors, whose sum is σ = 854487900. Its totient is φ = 854487898.

The previous prime is 854487883. The next prime is 854487901. The reversal of 854487899 is 998784458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 854487899 - 2⁴ = 854487883 is a prime.

Together with 854487901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (854487839) 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, 427243949 + 427243950.

It is an arithmetic number, because the mean of its divisors is an integer number (427243950).

Almost surely, 2^854487899 is an apocalyptic number.

854487899 is a deficient number, since it is larger than the sum of its proper divisors (1).

854487899 is an equidigital number, since it uses as much as digits as its factorization.

854487899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23224320, while the sum is 62.

The square root of 854487899 is about 29231.6249804899. The cubic root of 854487899 is about 948.9324662145.

The spelling of 854487899 in words is "eight hundred fifty-four million, four hundred eighty-seven thousand, eight hundred ninety-nine".