117589771 has 4 divisors (see below), whose sum is σ = 126635152. Its totient is φ = 108544392.

The previous prime is 117589739. The next prime is 117589781. The reversal of 117589771 is 177985711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117589771 - 2⁵ = 117589739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117589781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4522671 + ... + 4522696.

It is an arithmetic number, because the mean of its divisors is an integer number (31658788).

Almost surely, 2^117589771 is an apocalyptic number.

117589771 is a deficient number, since it is larger than the sum of its proper divisors (9045381).

117589771 is an equidigital number, since it uses as much as digits as its factorization.

117589771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9045380.

The product of its digits is 123480, while the sum is 46.

The square root of 117589771 is about 10843.8817311883. The cubic root of 117589771 is about 489.9177579590.

The spelling of 117589771 in words is "one hundred seventeen million, five hundred eighty-nine thousand, seven hundred seventy-one".