116769109 has 4 divisors (see below), whose sum is σ = 120795660. Its totient is φ = 112742560.

The previous prime is 116769097. The next prime is 116769113. The reversal of 116769109 is 901967611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31114084 + 85655025 = 5578^2 + 9255^2 .

It is a cyclic number.

It is not a de Polignac number, because 116769109 - 2¹⁵ = 116736341 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 (116769119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2013232 + ... + 2013289.

It is an arithmetic number, because the mean of its divisors is an integer number (30198915).

Almost surely, 2^116769109 is an apocalyptic number.

It is an amenable number.

116769109 is a deficient number, since it is larger than the sum of its proper divisors (4026551).

116769109 is an equidigital number, since it uses as much as digits as its factorization.

116769109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026550.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 116769109 is about 10805.9756153713. The cubic root of 116769109 is about 488.7753801007.

The spelling of 116769109 in words is "one hundred sixteen million, seven hundred sixty-nine thousand, one hundred nine".