10010009987 has 2 divisors, whose sum is σ = 10010009988.
Its totient is φ = 10010009986.
The previous prime is 10010009981. The next prime is 10010010013. The reversal of 10010009987 is 78990001001.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 10010009987 - 26 = 10010009923 is a prime.
It is not a weakly prime, because it can be changed into another prime (10010009981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005004993 + 5005004994.
It is an arithmetic number, because the mean of its divisors is an integer number (5005004994).
Almost surely, 210010009987 is an apocalyptic number.
10010009987 is a deficient number, since it is larger than the sum of its proper divisors (1).
10010009987 is an equidigital number, since it uses as much as digits as its factorization.
10010009987 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4536, while the sum is 35.
The spelling of 10010009987 in words is "ten billion, ten million, nine thousand, nine hundred eighty-seven".