117797 has 2 divisors, whose sum is σ = 117798. Its totient is φ = 117796.

The previous prime is 117787. The next prime is 117809. The reversal of 117797 is 797711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111556 + 6241 = 334^2 + 79^2 .

It is an emirp because it is prime and its reverse (797711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117797 - 2⁸ = 117541 is a prime.

It is a super-2 number, since 2×117797² = 27752266418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58898 + 58899.

It is an arithmetic number, because the mean of its divisors is an integer number (58899).

2¹¹⁷⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

117797 is a deficient number, since it is larger than the sum of its proper divisors (1).

117797 is an equidigital number, since it uses as much as digits as its factorization.

117797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3087, while the sum is 32.

The square root of 117797 is about 343.2156756327. The cubic root of 117797 is about 49.0205383844.

The spelling of 117797 in words is "one hundred seventeen thousand, seven hundred ninety-seven".