99206899 has 4 divisors (see below), whose sum is σ = 108225720. Its totient is φ = 90188080.

The previous prime is 99206827. The next prime is 99206911. The reversal of 99206899 is 99860299.

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

It is a cyclic number.

It is not a de Polignac number, because 99206899 - 2¹³ = 99198707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99206599) 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 3 ways as a sum of consecutive naturals, for example, 4509394 + ... + 4509415.

It is an arithmetic number, because the mean of its divisors is an integer number (27056430).

Almost surely, 2^99206899 is an apocalyptic number.

99206899 is a deficient number, since it is larger than the sum of its proper divisors (9018821).

99206899 is a wasteful number, since it uses less digits than its factorization.

99206899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9018820.

The product of its (nonzero) digits is 629856, while the sum is 52.

The square root of 99206899 is about 9960.2660105039. The cubic root of 99206899 is about 462.9285420743.

The spelling of 99206899 in words is "ninety-nine million, two hundred six thousand, eight hundred ninety-nine".