216734327 has 2 divisors, whose sum is σ = 216734328. Its totient is φ = 216734326.

The previous prime is 216734321. The next prime is 216734333. The reversal of 216734327 is 723437612.

It is a balanced prime because it is at equal distance from previous prime (216734321) and next prime (216734333).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216734327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216734321) by changing a digit.

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 as a sum of consecutive naturals, namely, 108367163 + 108367164.

It is an arithmetic number, because the mean of its divisors is an integer number (108367164).

Almost surely, 2^216734327 is an apocalyptic number.

216734327 is a deficient number, since it is larger than the sum of its proper divisors (1).

216734327 is an equidigital number, since it uses as much as digits as its factorization.

216734327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 35.

The square root of 216734327 is about 14721.8995717265. The cubic root of 216734327 is about 600.6791633459.

The spelling of 216734327 in words is "two hundred sixteen million, seven hundred thirty-four thousand, three hundred twenty-seven".