117727793 has 2 divisors, whose sum is σ = 117727794. Its totient is φ = 117727792.

The previous prime is 117727789. The next prime is 117727811. The reversal of 117727793 is 397727711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63808144 + 53919649 = 7988^2 + 7343^2 .

It is an emirp because it is prime and its reverse (397727711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117727793 - 2² = 117727789 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117727723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58863896 + 58863897.

It is an arithmetic number, because the mean of its divisors is an integer number (58863897).

Almost surely, 2^117727793 is an apocalyptic number.

It is an amenable number.

117727793 is a deficient number, since it is larger than the sum of its proper divisors (1).

117727793 is an equidigital number, since it uses as much as digits as its factorization.

117727793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129654, while the sum is 44.

The square root of 117727793 is about 10850.2439143090. The cubic root of 117727793 is about 490.1093647321.

The spelling of 117727793 in words is "one hundred seventeen million, seven hundred twenty-seven thousand, seven hundred ninety-three".