108690487 has 2 divisors, whose sum is σ = 108690488. Its totient is φ = 108690486.

The previous prime is 108690473. The next prime is 108690509. The reversal of 108690487 is 784096801.

It is a weak prime.

It is an emirp because it is prime and its reverse (784096801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108690487 - 2⁷ = 108690359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108690427) 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, 54345243 + 54345244.

It is an arithmetic number, because the mean of its divisors is an integer number (54345244).

Almost surely, 2^108690487 is an apocalyptic number.

108690487 is a deficient number, since it is larger than the sum of its proper divisors (1).

108690487 is an equidigital number, since it uses as much as digits as its factorization.

108690487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 108690487 is about 10425.4729868721. The cubic root of 108690487 is about 477.2330490722.

The spelling of 108690487 in words is "one hundred eight million, six hundred ninety thousand, four hundred eighty-seven".