99814396824 has 80 divisors (see below), whose sum is σ = 279663418320. Its totient is φ = 33260673600.

The previous prime is 99814396789. The next prime is 99814396831. The reversal of 99814396824 is 42869341899.

99814396824 is a `hidden beast` number, since 99 + 81 + 4 + 396 + 82 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2115717 + ... + 2162379.

It is an arithmetic number, because the mean of its divisors is an integer number (3495792729).

Almost surely, 2^99814396824 is an apocalyptic number.

It is an amenable number.

99814396824 is an abundant number, since it is smaller than the sum of its proper divisors (179849021496).

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

99814396824 is a wasteful number, since it uses less digits than its factorization.

99814396824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49982 (or 49969 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The spelling of 99814396824 in words is "ninety-nine billion, eight hundred fourteen million, three hundred ninety-six thousand, eight hundred twenty-four".