99864983 has 2 divisors, whose sum is σ = 99864984. Its totient is φ = 99864982.

The previous prime is 99864977. The next prime is 99864997. The reversal of 99864983 is 38946899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99864983 - 2⁸ = 99864727 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99864943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49932491 + 49932492.

It is an arithmetic number, because the mean of its divisors is an integer number (49932492).

Almost surely, 2^99864983 is an apocalyptic number.

99864983 is a deficient number, since it is larger than the sum of its proper divisors (1).

99864983 is an equidigital number, since it uses as much as digits as its factorization.

99864983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 56.

The square root of 99864983 is about 9993.2468697616. The cubic root of 99864983 is about 463.9498914750.

The spelling of 99864983 in words is "ninety-nine million, eight hundred sixty-four thousand, nine hundred eighty-three".