117592789 has 2 divisors, whose sum is σ = 117592790. Its totient is φ = 117592788.

The previous prime is 117592781. The next prime is 117592799. The reversal of 117592789 is 987295711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117180625 + 412164 = 10825^2 + 642^2 .

It is a cyclic number.

It is not a de Polignac number, because 117592789 - 2³ = 117592781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117592781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58796394 + 58796395.

It is an arithmetic number, because the mean of its divisors is an integer number (58796395).

Almost surely, 2^117592789 is an apocalyptic number.

It is an amenable number.

117592789 is a deficient number, since it is larger than the sum of its proper divisors (1).

117592789 is an equidigital number, since it uses as much as digits as its factorization.

117592789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 49.

The square root of 117592789 is about 10844.0208871064. The cubic root of 117592789 is about 489.9219492508.

The spelling of 117592789 in words is "one hundred seventeen million, five hundred ninety-two thousand, seven hundred eighty-nine".