99886559 has 2 divisors, whose sum is σ = 99886560. Its totient is φ = 99886558.

The previous prime is 99886531. The next prime is 99886561. The reversal of 99886559 is 95568899.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99886559 is a prime.

Together with 99886561, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 99886498 and 99886507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99886519) 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, 49943279 + 49943280.

It is an arithmetic number, because the mean of its divisors is an integer number (49943280).

Almost surely, 2^99886559 is an apocalyptic number.

99886559 is a deficient number, since it is larger than the sum of its proper divisors (1).

99886559 is an equidigital number, since it uses as much as digits as its factorization.

99886559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6998400, while the sum is 59.

The square root of 99886559 is about 9994.3263404794. The cubic root of 99886559 is about 463.9833014576.

The spelling of 99886559 in words is "ninety-nine million, eight hundred eighty-six thousand, five hundred fifty-nine".