99099999098 has 8 divisors (see below), whose sum is σ = 152667566292. Its totient is φ = 48210810336.

The previous prime is 99099999083. The next prime is 99099999101. The reversal of 99099999098 is 89099999099.

It can be written as a sum of positive squares in 2 ways, for example, as 89303552569 + 9796446529 = 298837^2 + 98977^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669594515 + ... + 669594662.

Almost surely, 2^99099999098 is an apocalyptic number.

99099999098 is a deficient number, since it is larger than the sum of its proper divisors (53567567194).

99099999098 is a wasteful number, since it uses less digits than its factorization.

99099999098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339189216.

The product of its (nonzero) digits is 344373768, while the sum is 80.

Subtracting from 99099999098 its reverse (89099999099), we obtain a palindrome (9999999999).

The spelling of 99099999098 in words is "ninety-nine billion, ninety-nine million, nine hundred ninety-nine thousand, ninety-eight".