99687196896 has 192 divisors, whose sum is σ = 315574963200. Its totient is φ = 26937225216.

The previous prime is 99687196877. The next prime is 99687196907. The reversal of 99687196896 is 69869178699.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1339350 + ... + 1411818.

It is an arithmetic number, because the mean of its divisors is an integer number (1643619600).

Almost surely, 2^99687196896 is an apocalyptic number.

99687196896 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99687196896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157787481600).

99687196896 is an abundant number, since it is smaller than the sum of its proper divisors (215887766304).

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

99687196896 is a wasteful number, since it uses less digits than its factorization.

99687196896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72601 (or 72593 counting only the distinct ones).

The product of its digits is 634894848, while the sum is 78.

The spelling of 99687196896 in words is "ninety-nine billion, six hundred eighty-seven million, one hundred ninety-six thousand, eight hundred ninety-six".