117582191 has 2 divisors, whose sum is σ = 117582192. Its totient is φ = 117582190.

The previous prime is 117582173. The next prime is 117582209. The reversal of 117582191 is 191285711.

It is a balanced prime because it is at equal distance from previous prime (117582173) and next prime (117582209).

It is a cyclic number.

It is not a de Polignac number, because 117582191 - 2²² = 113387887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117582131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58791095 + 58791096.

It is an arithmetic number, because the mean of its divisors is an integer number (58791096).

Almost surely, 2^117582191 is an apocalyptic number.

117582191 is a deficient number, since it is larger than the sum of its proper divisors (1).

117582191 is an equidigital number, since it uses as much as digits as its factorization.

117582191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 35.

The square root of 117582191 is about 10843.5322197151. The cubic root of 117582191 is about 489.9072308063.

The spelling of 117582191 in words is "one hundred seventeen million, five hundred eighty-two thousand, one hundred ninety-one".