673858111 has 2 divisors, whose sum is σ = 673858112. Its totient is φ = 673858110.

The previous prime is 673858103. The next prime is 673858139. The reversal of 673858111 is 111858376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 673858111 - 2³ = 673858103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673852111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336929055 + 336929056.

It is an arithmetic number, because the mean of its divisors is an integer number (336929056).

Almost surely, 2^673858111 is an apocalyptic number.

673858111 is a deficient number, since it is larger than the sum of its proper divisors (1).

673858111 is an equidigital number, since it uses as much as digits as its factorization.

673858111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 40.

The square root of 673858111 is about 25958.7771476239. Note that the first 3 decimals coincide. The cubic root of 673858111 is about 876.7103898703.

The spelling of 673858111 in words is "six hundred seventy-three million, eight hundred fifty-eight thousand, one hundred eleven".