99829887 has 8 divisors (see below), whose sum is σ = 133217280. Its totient is φ = 66497880.

The previous prime is 99829883. The next prime is 99829897. The reversal of 99829887 is 78892899.

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

It is not a de Polignac number, because 99829887 - 2² = 99829883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99829887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99829883) 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, 9439 + ... + 16992.

It is an arithmetic number, because the mean of its divisors is an integer number (16652160).

Almost surely, 2^99829887 is an apocalyptic number.

99829887 is a deficient number, since it is larger than the sum of its proper divisors (33387393).

99829887 is a wasteful number, since it uses less digits than its factorization.

99829887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27693.

The product of its digits is 5225472, while the sum is 60.

The square root of 99829887 is about 9991.4907296159. The cubic root of 99829887 is about 463.8955357749.

The spelling of 99829887 in words is "ninety-nine million, eight hundred twenty-nine thousand, eight hundred eighty-seven".