999118888948 has 24 divisors (see below), whose sum is σ = 1773028958400. Its totient is φ = 492570458688.

The previous prime is 999118888909. The next prime is 999118888993. The reversal of 999118888948 is 849888811999.

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, 3780990 + ... + 4036597.

It is an arithmetic number, because the mean of its divisors is an integer number (73876206600).

Almost surely, 2^999118888948 is an apocalyptic number.

It is an amenable number.

999118888948 is a deficient number, since it is larger than the sum of its proper divisors (773910069452).

999118888948 is a wasteful number, since it uses less digits than its factorization.

999118888948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7818039 (or 7818037 counting only the distinct ones).

The product of its digits is 859963392, while the sum is 82.

The spelling of 999118888948 in words is "nine hundred ninety-nine billion, one hundred eighteen million, eight hundred eighty-eight thousand, nine hundred forty-eight".