99563836 has 12 divisors (see below), whose sum is σ = 174414520. Its totient is φ = 49731120.

The previous prime is 99563833. The next prime is 99563837. The reversal of 99563836 is 63836599.

It is a self number, because there is not a number n which added to its sum of digits gives 99563836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99563831) 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 in 3 ways as a sum of consecutive naturals, for example, 8106 + ... + 16273.

Almost surely, 2^99563836 is an apocalyptic number.

It is an amenable number.

99563836 is a deficient number, since it is larger than the sum of its proper divisors (74850684).

99563836 is a wasteful number, since it uses less digits than its factorization.

99563836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25404 (or 25402 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 49.

The square root of 99563836 is about 9978.1679681192. The cubic root of 99563836 is about 463.4830685359.

The spelling of 99563836 in words is "ninety-nine million, five hundred sixty-three thousand, eight hundred thirty-six".