117784844 has 12 divisors (see below), whose sum is σ = 206200344. Its totient is φ = 58870464.

The previous prime is 117784831. The next prime is 117784853. The reversal of 117784844 is 448487711.

It is a super-2 number, since 2×117784844² = 27746538952208672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117784795 and 117784804.

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, 15467 + ... + 21789.

It is an arithmetic number, because the mean of its divisors is an integer number (17183362).

Almost surely, 2^117784844 is an apocalyptic number.

It is an amenable number.

117784844 is a deficient number, since it is larger than the sum of its proper divisors (88415500).

117784844 is a wasteful number, since it uses less digits than its factorization.

117784844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10984 (or 10982 counting only the distinct ones).

The product of its digits is 200704, while the sum is 44.

The square root of 117784844 is about 10852.8726151190. The cubic root of 117784844 is about 490.1885211012.

The spelling of 117784844 in words is "one hundred seventeen million, seven hundred eighty-four thousand, eight hundred forty-four".