998649088008 has 96 divisors (see below), whose sum is σ = 2955315753600. Its totient is φ = 279342391680.

The previous prime is 998649087977. The next prime is 998649088049. The reversal of 998649088008 is 800880946899.

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, 13188688 + ... + 13264191.

It is an arithmetic number, because the mean of its divisors is an integer number (30784539100).

Almost surely, 2^998649088008 is an apocalyptic number.

It is an amenable number.

998649088008 is an abundant number, since it is smaller than the sum of its proper divisors (1956666665592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998649088008 is a wasteful number, since it uses less digits than its factorization.

998649088008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26452923 (or 26452908 counting only the distinct ones).

The product of its (nonzero) digits is 71663616, while the sum is 69.

The spelling of 998649088008 in words is "nine hundred ninety-eight billion, six hundred forty-nine million, eighty-eight thousand, eight".