99886811 has 2 divisors, whose sum is σ = 99886812. Its totient is φ = 99886810.

The previous prime is 99886793. The next prime is 99886873. The reversal of 99886811 is 11868899.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99886811 - 2¹⁰ = 99885787 is a prime.

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 99886811.

It is not a weakly prime, because it can be changed into another prime (99886711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49943405 + 49943406.

It is an arithmetic number, because the mean of its divisors is an integer number (49943406).

Almost surely, 2^99886811 is an apocalyptic number.

99886811 is a deficient number, since it is larger than the sum of its proper divisors (1).

99886811 is an equidigital number, since it uses as much as digits as its factorization.

99886811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 50.

The square root of 99886811 is about 9994.3389476243. The cubic root of 99886811 is about 463.9836916459.

The spelling of 99886811 in words is "ninety-nine million, eight hundred eighty-six thousand, eight hundred eleven".