99843911684732 has 24 divisors (see below), whose sum is σ = 176052333866976. Its totient is φ = 49544281012928.

The previous prime is 99843911684653. The next prime is 99843911684791. The reversal of 99843911684732 is 23748611934899.

It is a self number, because there is not a number n which added to its sum of digits gives 99843911684732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129132608 + ... + 129903495.

It is an arithmetic number, because the mean of its divisors is an integer number (7335513911124).

Almost surely, 2^{99843911684732} is an apocalyptic number.

It is an amenable number.

99843911684732 is a deficient number, since it is larger than the sum of its proper divisors (76208422182244).

99843911684732 is a wasteful number, since it uses less digits than its factorization.

99843911684732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259036837 (or 259036835 counting only the distinct ones).

The product of its digits is 564350976, while the sum is 74.

The spelling of 99843911684732 in words is "ninety-nine trillion, eight hundred forty-three billion, nine hundred eleven million, six hundred eighty-four thousand, seven hundred thirty-two".