117843793 has 2 divisors, whose sum is σ = 117843794. Its totient is φ = 117843792.

The previous prime is 117843787. The next prime is 117843811. The reversal of 117843793 is 397348711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65092624 + 52751169 = 8068^2 + 7263^2 .

It is an emirp because it is prime and its reverse (397348711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117843793 - 2²¹ = 115746641 is a prime.

It is not a weakly prime, because it can be changed into another prime (117843703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58921896 + 58921897.

It is an arithmetic number, because the mean of its divisors is an integer number (58921897).

Almost surely, 2^117843793 is an apocalyptic number.

It is an amenable number.

117843793 is a deficient number, since it is larger than the sum of its proper divisors (1).

117843793 is an equidigital number, since it uses as much as digits as its factorization.

117843793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 43.

The square root of 117843793 is about 10855.5881001446. The cubic root of 117843793 is about 490.2702840367.

The spelling of 117843793 in words is "one hundred seventeen million, eight hundred forty-three thousand, seven hundred ninety-three".