117589739 has 2 divisors, whose sum is σ = 117589740. Its totient is φ = 117589738.

The previous prime is 117589733. The next prime is 117589781. The reversal of 117589739 is 937985711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117589739 - 2²⁰ = 116541163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117589733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58794869 + 58794870.

It is an arithmetic number, because the mean of its divisors is an integer number (58794870).

Almost surely, 2^117589739 is an apocalyptic number.

117589739 is a deficient number, since it is larger than the sum of its proper divisors (1).

117589739 is an equidigital number, since it uses as much as digits as its factorization.

117589739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 50.

The square root of 117589739 is about 10843.8802557018. The cubic root of 117589739 is about 489.9177135181.

The spelling of 117589739 in words is "one hundred seventeen million, five hundred eighty-nine thousand, seven hundred thirty-nine".