216080879 has 8 divisors (see below), whose sum is σ = 250076160. Its totient is φ = 182867256.

The previous prime is 216080873. The next prime is 216080923. The reversal of 216080879 is 978080612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216080879 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 (216080873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194819 + ... + 195924.

It is an arithmetic number, because the mean of its divisors is an integer number (31259520).

Almost surely, 2^216080879 is an apocalyptic number.

216080879 is a deficient number, since it is larger than the sum of its proper divisors (33995281).

216080879 is an equidigital number, since it uses as much as digits as its factorization.

216080879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390829.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 216080879 is about 14699.6897586310. The cubic root of 216080879 is about 600.0748786179.

The spelling of 216080879 in words is "two hundred sixteen million, eighty thousand, eight hundred seventy-nine".