116904217 has 4 divisors (see below), whose sum is σ = 116928036. Its totient is φ = 116880400.

The previous prime is 116904199. The next prime is 116904233. The reversal of 116904217 is 712409611.

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 104939536 + 11964681 = 10244^2 + 3459^2 .

It is a cyclic number.

It is not a de Polignac number, because 116904217 - 2²³ = 108515609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116904247) 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, 1534 + ... + 15367.

It is an arithmetic number, because the mean of its divisors is an integer number (29232009).

Almost surely, 2^116904217 is an apocalyptic number.

It is an amenable number.

116904217 is a deficient number, since it is larger than the sum of its proper divisors (23819).

116904217 is an equidigital number, since it uses as much as digits as its factorization.

116904217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23818.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 116904217 is about 10812.2253491129. The cubic root of 116904217 is about 488.9638203807.

The spelling of 116904217 in words is "one hundred sixteen million, nine hundred four thousand, two hundred seventeen".