1117918884 has 48 divisors (see below), whose sum is σ = 2752030400. Its totient is φ = 352221696.

The previous prime is 1117918873. The next prime is 1117918891. The reversal of 1117918884 is 4888197111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98832 + ... + 109560.

Almost surely, 2^1117918884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1117918884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1376015200).

1117918884 is an abundant number, since it is smaller than the sum of its proper divisors (1634111516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1117918884 is a wasteful number, since it uses less digits than its factorization.

1117918884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11212 (or 11210 counting only the distinct ones).

The product of its digits is 129024, while the sum is 48.

The square root of 1117918884 is about 33435.2939870431. The cubic root of 1117918884 is about 1037.8551964057.

The spelling of 1117918884 in words is "one billion, one hundred seventeen million, nine hundred eighteen thousand, eight hundred eighty-four".