99828447 has 8 divisors (see below), whose sum is σ = 133193856. Its totient is φ = 66507672.

The previous prime is 99828433. The next prime is 99828493. The reversal of 99828447 is 74482899.

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

It is not a de Polignac number, because 99828447 - 2⁶ = 99828383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99828447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99828247) 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, 5533 + ... + 15174.

It is an arithmetic number, because the mean of its divisors is an integer number (16649232).

Almost surely, 2^99828447 is an apocalyptic number.

99828447 is a deficient number, since it is larger than the sum of its proper divisors (33365409).

99828447 is a wasteful number, since it uses less digits than its factorization.

99828447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22317.

The product of its digits is 1161216, while the sum is 51.

The square root of 99828447 is about 9991.4186680371. The cubic root of 99828447 is about 463.8933052712.

The spelling of 99828447 in words is "ninety-nine million, eight hundred twenty-eight thousand, four hundred forty-seven".