116778 has 8 divisors (see below), whose sum is σ = 233568. Its totient is φ = 38924.

The previous prime is 116747. The next prime is 116789. The reversal of 116778 is 877611.

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

116778 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9726 + ... + 9737.

It is an arithmetic number, because the mean of its divisors is an integer number (29196).

116778 is a Friedman number, since it can be written as 7^(6*1)-871, using all its digits and the basic arithmetic operations.

2¹¹⁶⁷⁷⁸ is an apocalyptic number.

116778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

116778 is a wasteful number, since it uses less digits than its factorization.

116778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19468.

The product of its digits is 2352, while the sum is 30.

The square root of 116778 is about 341.7279619815. The cubic root of 116778 is about 48.8787785184.

The spelling of 116778 in words is "one hundred sixteen thousand, seven hundred seventy-eight".