117236893 has 2 divisors, whose sum is σ = 117236894. Its totient is φ = 117236892.

The previous prime is 117236891. The next prime is 117236921. The reversal of 117236893 is 398632711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108930969 + 8305924 = 10437^2 + 2882^2 .

It is a cyclic number.

It is not a de Polignac number, because 117236893 - 2¹ = 117236891 is a prime.

Together with 117236891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117236891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58618446 + 58618447.

It is an arithmetic number, because the mean of its divisors is an integer number (58618447).

Almost surely, 2^117236893 is an apocalyptic number.

It is an amenable number.

117236893 is a deficient number, since it is larger than the sum of its proper divisors (1).

117236893 is an equidigital number, since it uses as much as digits as its factorization.

117236893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 117236893 is about 10827.5986719124. The cubic root of 117236893 is about 489.4271982204.

The spelling of 117236893 in words is "one hundred seventeen million, two hundred thirty-six thousand, eight hundred ninety-three".