89990000009998 has 8 divisors (see below), whose sum is σ = 147256363652760. Its totient is φ = 40904545459080.

The previous prime is 89990000009989. The next prime is 89990000010007.

89990000009998 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (89990000009989) and next prime (89990000010007).

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, 2045227272933 + ... + 2045227272976.

It is an arithmetic number, because the mean of its divisors is an integer number (18407045456595).

Almost surely, 2^{89990000009998} is an apocalyptic number.

89990000009998 is a deficient number, since it is larger than the sum of its proper divisors (57266363642762).

89990000009998 is a wasteful number, since it uses less digits than its factorization.

89990000009998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4090454545922.

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

It can be divided in two parts, 8999000000 and 9998, that added together give a palindrome (8999009998).

The spelling of 89990000009998 in words is "eighty-nine trillion, nine hundred ninety billion, nine thousand, nine hundred ninety-eight".