10943987 has 2 divisors, whose sum is σ = 10943988. Its totient is φ = 10943986.

The previous prime is 10943963. The next prime is 10944001. The reversal of 10943987 is 78934901.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10943987 - 2⁶ = 10943923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10943287) 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, 5471993 + 5471994.

It is an arithmetic number, because the mean of its divisors is an integer number (5471994).

Almost surely, 2^10943987 is an apocalyptic number.

10943987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10943987 is an equidigital number, since it uses as much as digits as its factorization.

10943987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 10943987 is about 3308.1697356696. The cubic root of 10943987 is about 222.0198762065.

The spelling of 10943987 in words is "ten million, nine hundred forty-three thousand, nine hundred eighty-seven".