116372209 has 4 divisors (see below), whose sum is σ = 116463780. Its totient is φ = 116280640.

The previous prime is 116372189. The next prime is 116372239. The reversal of 116372209 is 902273611.

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 79709184 + 36663025 = 8928^2 + 6055^2 .

It is a cyclic number.

It is not a de Polignac number, because 116372209 - 2¹¹ = 116370161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116372239) 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, 43852 + ... + 46429.

It is an arithmetic number, because the mean of its divisors is an integer number (29115945).

Almost surely, 2^116372209 is an apocalyptic number.

It is an amenable number.

116372209 is a deficient number, since it is larger than the sum of its proper divisors (91571).

116372209 is an equidigital number, since it uses as much as digits as its factorization.

116372209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91570.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 116372209 is about 10787.5951444240. The cubic root of 116372209 is about 488.2209664568.

The spelling of 116372209 in words is "one hundred sixteen million, three hundred seventy-two thousand, two hundred nine".