99477991168 has 36 divisors (see below), whose sum is σ = 198634080400. Its totient is φ = 49722292224.

The previous prime is 99477991121. The next prime is 99477991183. The reversal of 99477991168 is 86119977499.

It is a junction number, because it is equal to n+sod(n) for n = 99477991097 and 99477991106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716821 + ... + 844267.

Almost surely, 2^99477991168 is an apocalyptic number.

It is an amenable number.

99477991168 is a deficient number, since it is larger than the sum of its proper divisors (99156089232).

99477991168 is a wasteful number, since it uses less digits than its factorization.

99477991168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130512 (or 130498 counting only the distinct ones).

The product of its digits is 61725888, while the sum is 70.

The spelling of 99477991168 in words is "ninety-nine billion, four hundred seventy-seven million, nine hundred ninety-one thousand, one hundred sixty-eight".