117889162 has 4 divisors (see below), whose sum is σ = 176833746. Its totient is φ = 58944580.

The previous prime is 117889159. The next prime is 117889193. The reversal of 117889162 is 261988711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 261988711 = 7121 ⋅36791.

It can be written as a sum of positive squares in only one way, i.e., 90421081 + 27468081 = 9509^2 + 5241^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29472289 + ... + 29472292.

Almost surely, 2^117889162 is an apocalyptic number.

117889162 is a deficient number, since it is larger than the sum of its proper divisors (58944584).

117889162 is an equidigital number, since it uses as much as digits as its factorization.

117889162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58944583.

The product of its digits is 48384, while the sum is 43.

The square root of 117889162 is about 10857.6775601415. The cubic root of 117889162 is about 490.3331927910. Note that the first 3 decimals are identical.

The spelling of 117889162 in words is "one hundred seventeen million, eight hundred eighty-nine thousand, one hundred sixty-two".