117841393 has 2 divisors, whose sum is σ = 117841394. Its totient is φ = 117841392.

The previous prime is 117841387. The next prime is 117841441. The reversal of 117841393 is 393148711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108305649 + 9535744 = 10407^2 + 3088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117841393 is a prime.

It is not a weakly prime, because it can be changed into another prime (117845393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58920696 + 58920697.

It is an arithmetic number, because the mean of its divisors is an integer number (58920697).

Almost surely, 2^117841393 is an apocalyptic number.

It is an amenable number.

117841393 is a deficient number, since it is larger than the sum of its proper divisors (1).

117841393 is an equidigital number, since it uses as much as digits as its factorization.

117841393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 117841393 is about 10855.4775574362. The cubic root of 117841393 is about 490.2669557419.

The spelling of 117841393 in words is "one hundred seventeen million, eight hundred forty-one thousand, three hundred ninety-three".