116912089 has 6 divisors (see below), whose sum is σ = 135999834. Its totient is φ = 100210320.

The previous prime is 116912083. The next prime is 116912093. The reversal of 116912089 is 980219611.

It can be written as a sum of positive squares in only one way, i.e., 116812864 + 99225 = 10808^2 + 315^2 .

It is not a de Polignac number, because 116912089 - 2⁷ = 116911961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116912083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1192932 + ... + 1193029.

It is an arithmetic number, because the mean of its divisors is an integer number (22666639).

Almost surely, 2^116912089 is an apocalyptic number.

It is an amenable number.

116912089 is a deficient number, since it is larger than the sum of its proper divisors (19087745).

116912089 is an equidigital number, since it uses as much as digits as its factorization.

116912089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385975 (or 2385968 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 37.

The square root of 116912089 is about 10812.5893753532. The cubic root of 116912089 is about 488.9747952823.

The spelling of 116912089 in words is "one hundred sixteen million, nine hundred twelve thousand, eighty-nine".