999982547 has 2 divisors, whose sum is σ = 999982548. Its totient is φ = 999982546.

The previous prime is 999982537. The next prime is 999982549. The reversal of 999982547 is 745289999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999982547 - 2¹⁰ = 999981523 is a prime.

Together with 999982549, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 999982547.

It is not a weakly prime, because it can be changed into another prime (999982549) 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, 499991273 + 499991274.

It is an arithmetic number, because the mean of its divisors is an integer number (499991274).

Almost surely, 2^999982547 is an apocalyptic number.

999982547 is a deficient number, since it is larger than the sum of its proper divisors (1).

999982547 is an equidigital number, since it uses as much as digits as its factorization.

999982547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14696640, while the sum is 62.

The square root of 999982547 is about 31622.5006443197. The cubic root of 999982547 is about 999.9941822995.

The spelling of 999982547 in words is "nine hundred ninety-nine million, nine hundred eighty-two thousand, five hundred forty-seven".