99863233 has 2 divisors, whose sum is σ = 99863234. Its totient is φ = 99863232.

The previous prime is 99863177. The next prime is 99863279. The reversal of 99863233 is 33236899.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98545329 + 1317904 = 9927^2 + 1148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99863233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99863233.

It is not a weakly prime, because it can be changed into another prime (99861233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49931616 + 49931617.

It is an arithmetic number, because the mean of its divisors is an integer number (49931617).

Almost surely, 2^99863233 is an apocalyptic number.

It is an amenable number.

99863233 is a deficient number, since it is larger than the sum of its proper divisors (1).

99863233 is an equidigital number, since it uses as much as digits as its factorization.

99863233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 43.

The square root of 99863233 is about 9993.1593102482. The cubic root of 99863233 is about 463.9471814258.

The spelling of 99863233 in words is "ninety-nine million, eight hundred sixty-three thousand, two hundred thirty-three".