167855887 has 2 divisors, whose sum is σ = 167855888. Its totient is φ = 167855886.

The previous prime is 167855873. The next prime is 167855893. The reversal of 167855887 is 788558761.

It is a strong prime.

It is an emirp because it is prime and its reverse (788558761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 167855887 - 2⁷ = 167855759 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 (167855087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83927943 + 83927944.

It is an arithmetic number, because the mean of its divisors is an integer number (83927944).

Almost surely, 2^167855887 is an apocalyptic number.

167855887 is a deficient number, since it is larger than the sum of its proper divisors (1).

167855887 is an equidigital number, since it uses as much as digits as its factorization.

167855887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3763200, while the sum is 55.

The square root of 167855887 is about 12955.9209244268. The cubic root of 167855887 is about 551.6270136166.

The spelling of 167855887 in words is "one hundred sixty-seven million, eight hundred fifty-five thousand, eight hundred eighty-seven".