99828505 has 16 divisors (see below), whose sum is σ = 144961920. Its totient is φ = 64426752.

The previous prime is 99828493. The next prime is 99828523. The reversal of 99828505 is 50582899.

It is a cyclic number.

It is not a de Polignac number, because 99828505 - 2¹¹ = 99826457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83295 + ... + 84484.

It is an arithmetic number, because the mean of its divisors is an integer number (9060120).

Almost surely, 2^99828505 is an apocalyptic number.

It is an amenable number.

99828505 is a deficient number, since it is larger than the sum of its proper divisors (45133415).

99828505 is a wasteful number, since it uses less digits than its factorization.

99828505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167808.

The product of its (nonzero) digits is 259200, while the sum is 46.

The square root of 99828505 is about 9991.4215705274. The cubic root of 99828505 is about 463.8933951114.

The spelling of 99828505 in words is "ninety-nine million, eight hundred twenty-eight thousand, five hundred five".