99886019 has 2 divisors, whose sum is σ = 99886020. Its totient is φ = 99886018.

The previous prime is 99886009. The next prime is 99886027. The reversal of 99886019 is 91068899.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99886019 is a prime.

It is a super-2 number, since 2×99886019² = 19954433583336722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99886009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49943009 + 49943010.

It is an arithmetic number, because the mean of its divisors is an integer number (49943010).

Almost surely, 2^99886019 is an apocalyptic number.

99886019 is a deficient number, since it is larger than the sum of its proper divisors (1).

99886019 is an equidigital number, since it uses as much as digits as its factorization.

99886019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 50.

The square root of 99886019 is about 9994.2993251153. The cubic root of 99886019 is about 463.9824653377.

The spelling of 99886019 in words is "ninety-nine million, eight hundred eighty-six thousand, nineteen".