116904215 has 4 divisors (see below), whose sum is σ = 140285064. Its totient is φ = 93523368.

The previous prime is 116904199. The next prime is 116904233. The reversal of 116904215 is 512409611.

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

It is a cyclic number.

It is not a de Polignac number, because 116904215 - 2⁴ = 116904199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11690417 + ... + 11690426.

It is an arithmetic number, because the mean of its divisors is an integer number (35071266).

Almost surely, 2^116904215 is an apocalyptic number.

116904215 is a deficient number, since it is larger than the sum of its proper divisors (23380849).

116904215 is an equidigital number, since it uses as much as digits as its factorization.

116904215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23380848.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 116904215 is about 10812.2252566250. The cubic root of 116904215 is about 488.9638175923.

The spelling of 116904215 in words is "one hundred sixteen million, nine hundred four thousand, two hundred fifteen".