1116777872 has 40 divisors (see below), whose sum is σ = 2618332416. Its totient is φ = 450464256.

The previous prime is 1116777869. The next prime is 1116777917. The reversal of 1116777872 is 2787776111.

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 7 ways as a sum of consecutive naturals, for example, 291368 + ... + 295175.

Almost surely, 2^1116777872 is an apocalyptic number.

It is an amenable number.

1116777872 is an abundant number, since it is smaller than the sum of its proper divisors (1501554544).

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

1116777872 is a wasteful number, since it uses less digits than its factorization.

1116777872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586575 (or 586569 counting only the distinct ones).

The product of its digits is 230496, while the sum is 47.

The square root of 1116777872 is about 33418.2266435549. The cubic root of 1116777872 is about 1037.5019780676.

The spelling of 1116777872 in words is "one billion, one hundred sixteen million, seven hundred seventy-seven thousand, eight hundred seventy-two".