108870287 has 2 divisors, whose sum is σ = 108870288. Its totient is φ = 108870286.

The previous prime is 108870259. The next prime is 108870331. The reversal of 108870287 is 782078801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108870287 - 2²⁰ = 107821711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108870887) 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, 54435143 + 54435144.

It is an arithmetic number, because the mean of its divisors is an integer number (54435144).

Almost surely, 2^108870287 is an apocalyptic number.

108870287 is a deficient number, since it is larger than the sum of its proper divisors (1).

108870287 is an equidigital number, since it uses as much as digits as its factorization.

108870287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50176, while the sum is 41.

The square root of 108870287 is about 10434.0925336131. The cubic root of 108870287 is about 477.4960565448.

The spelling of 108870287 in words is "one hundred eight million, eight hundred seventy thousand, two hundred eighty-seven".