8999009998 has 8 divisors (see below), whose sum is σ = 14725652760. Its totient is φ = 4090459080.

The previous prime is 8999009977. The next prime is 8999010037.

8999009998 is nontrivially palindromic in base 10.

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

It is a congruent number.

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, 204522933 + ... + 204522976.

It is an arithmetic number, because the mean of its divisors is an integer number (1840706595).

Almost surely, 2^8999009998 is an apocalyptic number.

8999009998 is a deficient number, since it is larger than the sum of its proper divisors (5726642762).

8999009998 is a wasteful number, since it uses less digits than its factorization.

8999009998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409045922.

The product of its (nonzero) digits is 34012224, while the sum is 70.

The square root of 8999009998 is about 94863.1118928744. Note that the first 3 decimals coincide. The cubic root of 8999009998 is about 2080.0075503609.

The spelling of 8999009998 in words is "eight billion, nine hundred ninety-nine million, nine thousand, nine hundred ninety-eight".