117365789 has 2 divisors, whose sum is σ = 117365790. Its totient is φ = 117365788.

The previous prime is 117365771. The next prime is 117365819. The reversal of 117365789 is 987563711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88924900 + 28440889 = 9430^2 + 5333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117365789 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117365089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58682894 + 58682895.

It is an arithmetic number, because the mean of its divisors is an integer number (58682895).

Almost surely, 2^117365789 is an apocalyptic number.

It is an amenable number.

117365789 is a deficient number, since it is larger than the sum of its proper divisors (1).

117365789 is an equidigital number, since it uses as much as digits as its factorization.

117365789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 47.

The square root of 117365789 is about 10833.5492337461. The cubic root of 117365789 is about 489.6064992947.

The spelling of 117365789 in words is "one hundred seventeen million, three hundred sixty-five thousand, seven hundred eighty-nine".