68323887 has 12 divisors (see below), whose sum is σ = 99613800. Its totient is φ = 45122928.

The previous prime is 68323883. The next prime is 68323889. The reversal of 68323887 is 78832386.

It is not a de Polignac number, because 68323887 - 2² = 68323883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68323883) 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 in 11 ways as a sum of consecutive naturals, for example, 34512 + ... + 36437.

It is an arithmetic number, because the mean of its divisors is an integer number (8301150).

Almost surely, 2^68323887 is an apocalyptic number.

68323887 is a deficient number, since it is larger than the sum of its proper divisors (31289913).

68323887 is a wasteful number, since it uses less digits than its factorization.

68323887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71062 (or 71059 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 68323887 is about 8265.8264559571. The cubic root of 68323887 is about 408.8125208072.

The spelling of 68323887 in words is "sixty-eight million, three hundred twenty-three thousand, eight hundred eighty-seven".