67886 has 16 divisors (see below), whose sum is σ = 125664. Its totient is φ = 26784.

The previous prime is 67883. The next prime is 67891. The reversal of 67886 is 68876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5 + ... + 368.

It is an arithmetic number, because the mean of its divisors is an integer number (7854).

2⁶⁷⁸⁸⁶ is an apocalyptic number.

67886 is a deficient number, since it is larger than the sum of its proper divisors (57778).

67886 is a wasteful number, since it uses less digits than its factorization.

67886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395.

The product of its digits is 16128, while the sum is 35.

The square root of 67886 is about 260.5494194966. The cubic root of 67886 is about 40.7937290118.

Subtracting 67886 from its reverse (68876), we obtain a triangular number (990 = T₄₄).

The spelling of 67886 in words is "sixty-seven thousand, eight hundred eighty-six".