109680287 has 2 divisors, whose sum is σ = 109680288. Its totient is φ = 109680286.

The previous prime is 109680283. The next prime is 109680299. The reversal of 109680287 is 782086901.

It is a weak prime.

It is an emirp because it is prime and its reverse (782086901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109680287 - 2² = 109680283 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109680283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54840143 + 54840144.

It is an arithmetic number, because the mean of its divisors is an integer number (54840144).

Almost surely, 2^109680287 is an apocalyptic number.

109680287 is a deficient number, since it is larger than the sum of its proper divisors (1).

109680287 is an equidigital number, since it uses as much as digits as its factorization.

109680287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 109680287 is about 10472.8356713929. The cubic root of 109680287 is about 478.6773294202.

The spelling of 109680287 in words is "one hundred nine million, six hundred eighty thousand, two hundred eighty-seven".