99858203 has 4 divisors (see below), whose sum is σ = 104199888. Its totient is φ = 95516520.

The previous prime is 99858179. The next prime is 99858229. The reversal of 99858203 is 30285899.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99858203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99854203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2170808 + ... + 2170853.

It is an arithmetic number, because the mean of its divisors is an integer number (26049972).

Almost surely, 2^99858203 is an apocalyptic number.

99858203 is a deficient number, since it is larger than the sum of its proper divisors (4341685).

99858203 is a wasteful number, since it uses less digits than its factorization.

99858203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341684.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 99858203 is about 9992.9076349179. The cubic root of 99858203 is about 463.9393917938.

The spelling of 99858203 in words is "ninety-nine million, eight hundred fifty-eight thousand, two hundred three".