99996563 has 8 divisors (see below), whose sum is σ = 107044800. Its totient is φ = 93126888.

The previous prime is 99996551. The next prime is 99996577. The reversal of 99996563 is 36569999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99996563 - 2¹² = 99992467 is a prime.

It is a super-2 number, since 2×99996563² = 19998625223625938, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99996499 and 99996508.

It is not an unprimeable number, because it can be changed into a prime (99996583) 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 7 ways as a sum of consecutive naturals, for example, 43481 + ... + 45722.

It is an arithmetic number, because the mean of its divisors is an integer number (13380600).

Almost surely, 2^99996563 is an apocalyptic number.

99996563 is a deficient number, since it is larger than the sum of its proper divisors (7048237).

99996563 is a wasteful number, since it uses less digits than its factorization.

99996563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89281.

The product of its digits is 3542940, while the sum is 56.

The square root of 99996563 is about 9999.8281485234. The cubic root of 99996563 is about 464.1535655867.

The spelling of 99996563 in words is "ninety-nine million, nine hundred ninety-six thousand, five hundred sixty-three".