99708955893 has 12 divisors (see below), whose sum is σ = 144053922688. Its totient is φ = 66458848680.

The previous prime is 99708955859. The next prime is 99708955897. The reversal of 99708955893 is 39855980799.

It is not a de Polignac number, because 99708955893 - 2²⁶ = 99641847029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99708955897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1103155 + ... + 1190112.

Almost surely, 2^99708955893 is an apocalyptic number.

It is an amenable number.

99708955893 is a deficient number, since it is larger than the sum of its proper divisors (44344966795).

99708955893 is a wasteful number, since it uses less digits than its factorization.

99708955893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298104 (or 2298101 counting only the distinct ones).

The product of its (nonzero) digits is 220449600, while the sum is 72.

The spelling of 99708955893 in words is "ninety-nine billion, seven hundred eight million, nine hundred fifty-five thousand, eight hundred ninety-three".