99999508 has 48 divisors (see below), whose sum is σ = 222929280. Its totient is φ = 38209536.

The previous prime is 99999481. The next prime is 99999509. The reversal of 99999508 is 80599999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99999509) 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 15 ways as a sum of consecutive naturals, for example, 3516 + ... + 14572.

It is an arithmetic number, because the mean of its divisors is an integer number (4644360).

Almost surely, 2^99999508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99999508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111464640).

99999508 is an abundant number, since it is smaller than the sum of its proper divisors (122929772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99999508 is a wasteful number, since it uses less digits than its factorization.

99999508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11104 (or 11102 counting only the distinct ones).

The product of its (nonzero) digits is 2361960, while the sum is 58.

The square root of 99999508 is about 9999.9753999697. The cubic root of 99999508 is about 464.1581221395.

The spelling of 99999508 in words is "ninety-nine million, nine hundred ninety-nine thousand, five hundred eight".