216080867 has 2 divisors, whose sum is σ = 216080868. Its totient is φ = 216080866.

The previous prime is 216080857. The next prime is 216080869. The reversal of 216080867 is 768080612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216080867 - 2⁸ = 216080611 is a prime.

Together with 216080869, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 216080867 parts by 20788 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 216080867.

It is not a weakly prime, because it can be changed into another prime (216080869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108040433 + 108040434.

It is an arithmetic number, because the mean of its divisors is an integer number (108040434).

Almost surely, 2^216080867 is an apocalyptic number.

216080867 is a deficient number, since it is larger than the sum of its proper divisors (1).

216080867 is an equidigital number, since it uses as much as digits as its factorization.

216080867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 216080867 is about 14699.6893504591. The cubic root of 216080867 is about 600.0748675096.

The spelling of 216080867 in words is "two hundred sixteen million, eighty thousand, eight hundred sixty-seven".