117959389 has 4 divisors (see below), whose sum is σ = 118618560. Its totient is φ = 117300220.

The previous prime is 117959383. The next prime is 117959393. The reversal of 117959389 is 983959711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117959389 - 2³ = 117959381 is a prime.

It is a super-4 number, since 4×117959389⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117959381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329317 + ... + 329674.

It is an arithmetic number, because the mean of its divisors is an integer number (29654640).

Almost surely, 2^117959389 is an apocalyptic number.

It is an amenable number.

117959389 is a deficient number, since it is larger than the sum of its proper divisors (659171).

117959389 is an equidigital number, since it uses as much as digits as its factorization.

117959389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659170.

The product of its digits is 612360, while the sum is 52.

The square root of 117959389 is about 10860.9110575495. The cubic root of 117959389 is about 490.4305378825.

The spelling of 117959389 in words is "one hundred seventeen million, nine hundred fifty-nine thousand, three hundred eighty-nine".