117788 has 12 divisors (see below), whose sum is σ = 224952. Its totient is φ = 53520.

The previous prime is 117787. The next prime is 117797. The reversal of 117788 is 887711.

It is a plaindrome in base 10.

It is a zygodrome in base 2 and base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295 + ... + 1382.

It is an arithmetic number, because the mean of its divisors is an integer number (18746).

2¹¹⁷⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

117788 is a deficient number, since it is larger than the sum of its proper divisors (107164).

117788 is a wasteful number, since it uses less digits than its factorization.

117788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692 (or 2690 counting only the distinct ones).

The product of its digits is 3136, while the sum is 32.

The square root of 117788 is about 343.2025640930. The cubic root of 117788 is about 49.0192899200.

The spelling of 117788 in words is "one hundred seventeen thousand, seven hundred eighty-eight".