117373609 has 2 divisors, whose sum is σ = 117373610. Its totient is φ = 117373608.

The previous prime is 117373591. The next prime is 117373631. The reversal of 117373609 is 906373711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87834384 + 29539225 = 9372^2 + 5435^2 .

It is a cyclic number.

It is not a de Polignac number, because 117373609 - 2¹⁵ = 117340841 is a prime.

It is not a weakly prime, because it can be changed into another prime (117373639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58686804 + 58686805.

It is an arithmetic number, because the mean of its divisors is an integer number (58686805).

Almost surely, 2^117373609 is an apocalyptic number.

It is an amenable number.

117373609 is a deficient number, since it is larger than the sum of its proper divisors (1).

117373609 is an equidigital number, since it uses as much as digits as its factorization.

117373609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 117373609 is about 10833.9101436185. The cubic root of 117373609 is about 489.6173730988.

The spelling of 117373609 in words is "one hundred seventeen million, three hundred seventy-three thousand, six hundred nine".