117079889 has 2 divisors, whose sum is σ = 117079890. Its totient is φ = 117079888.

The previous prime is 117079847. The next prime is 117079909. The reversal of 117079889 is 988970711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97851664 + 19228225 = 9892^2 + 4385^2 .

It is a cyclic number.

It is not a de Polignac number, because 117079889 - 2²⁴ = 100302673 is a prime.

It is not a weakly prime, because it can be changed into another prime (117079489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58539944 + 58539945.

It is an arithmetic number, because the mean of its divisors is an integer number (58539945).

Almost surely, 2^117079889 is an apocalyptic number.

It is an amenable number.

117079889 is a deficient number, since it is larger than the sum of its proper divisors (1).

117079889 is an equidigital number, since it uses as much as digits as its factorization.

117079889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 50.

The square root of 117079889 is about 10820.3460665544. The cubic root of 117079889 is about 489.2086198254.

The spelling of 117079889 in words is "one hundred seventeen million, seventy-nine thousand, eight hundred eighty-nine".