99959717068 has 12 divisors (see below), whose sum is σ = 175194153232. Its totient is φ = 49904244720.

The previous prime is 99959717057. The next prime is 99959717131. The reversal of 99959717068 is 86071795999.

It is a super-2 number, since 2×99959717068² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99959716988 and 99959717006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18900480 + ... + 18905767.

Almost surely, 2^99959717068 is an apocalyptic number.

It is an amenable number.

99959717068 is a deficient number, since it is larger than the sum of its proper divisors (75234436164).

99959717068 is a wasteful number, since it uses less digits than its factorization.

99959717068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37806912 (or 37806910 counting only the distinct ones).

The product of its (nonzero) digits is 77157360, while the sum is 70.

The spelling of 99959717068 in words is "ninety-nine billion, nine hundred fifty-nine million, seven hundred seventeen thousand, sixty-eight".