168327887 has 18 divisors (see below), whose sum is σ = 212041368. Its totient is φ = 133175952.

The previous prime is 168327881. The next prime is 168327917. The reversal of 168327887 is 788723861.

168327887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168327887 - 2⁴ = 168327871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168327881) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1883 + ... + 18444.

It is an arithmetic number, because the mean of its divisors is an integer number (11780076).

Almost surely, 2^168327887 is an apocalyptic number.

168327887 is a deficient number, since it is larger than the sum of its proper divisors (43713481).

168327887 is a wasteful number, since it uses less digits than its factorization.

168327887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20367 (or 20347 counting only the distinct ones).

The product of its digits is 903168, while the sum is 50.

The square root of 168327887 is about 12974.1237469048. The cubic root of 168327887 is about 552.1435763451.

The spelling of 168327887 in words is "one hundred sixty-eight million, three hundred twenty-seven thousand, eight hundred eighty-seven".