99998963456 has 288 divisors, whose sum is σ = 251433584640. Its totient is φ = 38714277888.

The previous prime is 99998963423. The next prime is 99998963569. The reversal of 99998963456 is 65436989999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89045711 + ... + 89046833.

It is an arithmetic number, because the mean of its divisors is an integer number (873033280).

Almost surely, 2^99998963456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99998963456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125716792320).

99998963456 is an abundant number, since it is smaller than the sum of its proper divisors (151434621184).

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

99998963456 is a wasteful number, since it uses less digits than its factorization.

99998963456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279 (or 1265 counting only the distinct ones).

The product of its digits is 1020366720, while the sum is 77.

The spelling of 99998963456 in words is "ninety-nine billion, nine hundred ninety-eight million, nine hundred sixty-three thousand, four hundred fifty-six".