108539867 has 2 divisors, whose sum is σ = 108539868. Its totient is φ = 108539866.

The previous prime is 108539803. The next prime is 108539887. The reversal of 108539867 is 768935801.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108539867 - 2⁶ = 108539803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108539887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54269933 + 54269934.

It is an arithmetic number, because the mean of its divisors is an integer number (54269934).

Almost surely, 2^108539867 is an apocalyptic number.

108539867 is a deficient number, since it is larger than the sum of its proper divisors (1).

108539867 is an equidigital number, since it uses as much as digits as its factorization.

108539867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 108539867 is about 10418.2468294814. The cubic root of 108539867 is about 477.0125021079.

The spelling of 108539867 in words is "one hundred eight million, five hundred thirty-nine thousand, eight hundred sixty-seven".