117378 has 12 divisors (see below), whose sum is σ = 254358. Its totient is φ = 39120.

The previous prime is 117373. The next prime is 117389. The reversal of 117378 is 873711.

117378 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in only one way, i.e., 74529 + 42849 = 273^2 + 207^2 .

It is not an unprimeable number, because it can be changed into a prime (117371) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3243 + ... + 3278.

2¹¹⁷³⁷⁸ is an apocalyptic number.

117378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

117378 is an abundant number, since it is smaller than the sum of its proper divisors (136980).

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

117378 is a wasteful number, since it uses less digits than its factorization.

117378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529 (or 6526 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 117378 is about 342.6047285138. The cubic root of 117378 is about 48.9623478625.

The spelling of 117378 in words is "one hundred seventeen thousand, three hundred seventy-eight".