99098999999 has 8 divisors (see below), whose sum is σ = 99663859680. Its totient is φ = 98535682656.

The previous prime is 99098999981. The next prime is 99099000019. The reversal of 99098999999 is 99999989099.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99098999999 is a prime.

It is a super-2 number, since 2×99098999999² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

99098999999 is a modest number, since divided by 999999 gives 99098 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99098999969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256592 + ... + 513845.

It is an arithmetic number, because the mean of its divisors is an integer number (12457982460).

Almost surely, 2^99098999999 is an apocalyptic number.

99098999999 is a deficient number, since it is larger than the sum of its proper divisors (564859681).

99098999999 is a wasteful number, since it uses less digits than its factorization.

99098999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771169.

The product of its (nonzero) digits is 3099363912, while the sum is 89.

The spelling of 99098999999 in words is "ninety-nine billion, ninety-eight million, nine hundred ninety-nine thousand, nine hundred ninety-nine".