116804909 has 12 divisors (see below), whose sum is σ = 133372764. Its totient is φ = 101337984.

The previous prime is 116804903. The next prime is 116804921. The reversal of 116804909 is 909408611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52852900 + 63952009 = 7270^2 + 7997^2 .

It is not a de Polignac number, because 116804909 - 2¹² = 116800813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116804903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160304 + ... + 161030.

It is an arithmetic number, because the mean of its divisors is an integer number (11114397).

Almost surely, 2^116804909 is an apocalyptic number.

It is an amenable number.

116804909 is a deficient number, since it is larger than the sum of its proper divisors (16567855).

116804909 is an frugal number, since it uses more digits than its factorization.

116804909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 116804909 is about 10807.6319793006. The cubic root of 116804909 is about 488.8253258749.

The spelling of 116804909 in words is "one hundred sixteen million, eight hundred four thousand, nine hundred nine".