99819347364 has 81 divisors (see below), whose sum is σ = 277402660171. Its totient is φ = 30241968240.

The previous prime is 99819347293. The next prime is 99819347399. The reversal of 99819347364 is 46374391899.

The square root of 99819347364 is 315942.

It is a perfect power (a square), and thus also a powerful number.

99819347364 is a `hidden beast` number, since 9 + 98 + 19 + 3 + 473 + 64 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20849779 + ... + 20854565.

Almost surely, 2^99819347364 is an apocalyptic number.

99819347364 is the 315942-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99819347364

99819347364 is an abundant number, since it is smaller than the sum of its proper divisors (177583312807).

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

99819347364 is a wasteful number, since it uses less digits than its factorization.

99819347364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9606 (or 4803 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 99819347364 in words is "ninety-nine billion, eight hundred nineteen million, three hundred forty-seven thousand, three hundred sixty-four".