99828005 has 16 divisors (see below), whose sum is σ = 124225920. Its totient is φ = 76921152.

The previous prime is 99827939. The next prime is 99828013. The reversal of 99828005 is 50082899.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 99828005 - 2¹² = 99823909 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104942 + ... + 105888.

It is an arithmetic number, because the mean of its divisors is an integer number (7764120).

Almost surely, 2^99828005 is an apocalyptic number.

It is an amenable number.

99828005 is a deficient number, since it is larger than the sum of its proper divisors (24397915).

99828005 is a wasteful number, since it uses less digits than its factorization.

99828005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 99828005 is about 9991.3965490316. The cubic root of 99828005 is about 463.8926206262.

The spelling of 99828005 in words is "ninety-nine million, eight hundred twenty-eight thousand, five".