99618833 has 2 divisors, whose sum is σ = 99618834. Its totient is φ = 99618832.

The previous prime is 99618817. The next prime is 99618839. The reversal of 99618833 is 33881699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96687889 + 2930944 = 9833^2 + 1712^2 .

It is a cyclic number.

It is not a de Polignac number, because 99618833 - 2⁴ = 99618817 is a prime.

It is not a weakly prime, because it can be changed into another prime (99618839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49809416 + 49809417.

It is an arithmetic number, because the mean of its divisors is an integer number (49809417).

Almost surely, 2^99618833 is an apocalyptic number.

It is an amenable number.

99618833 is a deficient number, since it is larger than the sum of its proper divisors (1).

99618833 is an equidigital number, since it uses as much as digits as its factorization.

99618833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 47.

The square root of 99618833 is about 9980.9234542702. The cubic root of 99618833 is about 463.5683923086.

The spelling of 99618833 in words is "ninety-nine million, six hundred eighteen thousand, eight hundred thirty-three".