99873811 has 2 divisors, whose sum is σ = 99873812. Its totient is φ = 99873810.

The previous prime is 99873803. The next prime is 99873853. The reversal of 99873811 is 11837899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99873811 - 2³ = 99873803 is a prime.

It is not a weakly prime, because it can be changed into another prime (99873881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49936905 + 49936906.

It is an arithmetic number, because the mean of its divisors is an integer number (49936906).

Almost surely, 2^99873811 is an apocalyptic number.

99873811 is a deficient number, since it is larger than the sum of its proper divisors (1).

99873811 is an equidigital number, since it uses as much as digits as its factorization.

99873811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 46.

The square root of 99873811 is about 9993.6885582852. The cubic root of 99873811 is about 463.9635620291.

The spelling of 99873811 in words is "ninety-nine million, eight hundred seventy-three thousand, eight hundred eleven".