117085447 has 2 divisors, whose sum is σ = 117085448. Its totient is φ = 117085446.

The previous prime is 117085403. The next prime is 117085453. The reversal of 117085447 is 744580711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117085447 - 2¹¹ = 117083399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117085457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58542723 + 58542724.

It is an arithmetic number, because the mean of its divisors is an integer number (58542724).

Almost surely, 2^117085447 is an apocalyptic number.

117085447 is a deficient number, since it is larger than the sum of its proper divisors (1).

117085447 is an equidigital number, since it uses as much as digits as its factorization.

117085447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 117085447 is about 10820.6028944787. The cubic root of 117085447 is about 489.2163609171.

The spelling of 117085447 in words is "one hundred seventeen million, eighty-five thousand, four hundred forty-seven".