899998899998 has 48 divisors (see below), whose sum is σ = 1499128737120. Its totient is φ = 404890200000.

The previous prime is 899998899979. The next prime is 899998900007.

It is a happy number.

899998899998 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×899998899998² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90894848 + ... + 90904748.

It is an arithmetic number, because the mean of its divisors is an integer number (31231848690).

Almost surely, 2^899998899998 is an apocalyptic number.

899998899998 is a deficient number, since it is larger than the sum of its proper divisors (599129837122).

899998899998 is a wasteful number, since it uses less digits than its factorization.

899998899998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13745 (or 13734 counting only the distinct ones).

The product of its digits is 176319369216, while the sum is 104.

The spelling of 899998899998 in words is "eight hundred ninety-nine billion, nine hundred ninety-eight million, eight hundred ninety-nine thousand, nine hundred ninety-eight".