117783111 has 8 divisors (see below), whose sum is σ = 158485360. Its totient is φ = 77801472.

The previous prime is 117783101. The next prime is 117783121. The reversal of 117783111 is 111387711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (117783101) and next prime (117783121).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117783111 - 2⁶ = 117783047 is a prime.

It is a super-2 number, since 2×117783111² = 27745722473676642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117783101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179770 + ... + 180423.

It is an arithmetic number, because the mean of its divisors is an integer number (19810670).

Almost surely, 2^117783111 is an apocalyptic number.

117783111 is a deficient number, since it is larger than the sum of its proper divisors (40702249).

117783111 is a wasteful number, since it uses less digits than its factorization.

117783111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360305.

The product of its digits is 1176, while the sum is 30.

The square root of 117783111 is about 10852.7927742125. The cubic root of 117783111 is about 490.1861169977.

The spelling of 117783111 in words is "one hundred seventeen million, seven hundred eighty-three thousand, one hundred eleven".