216576327 has 32 divisors (see below), whose sum is σ = 322407936. Its totient is φ = 129286080.

The previous prime is 216576289. The next prime is 216576343. The reversal of 216576327 is 723675612.

216576327 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 216576327 - 2¹⁵ = 216543559 is a prime.

It is a super-3 number, since 3×216576327³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216576397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291118 + ... + 291860.

It is an arithmetic number, because the mean of its divisors is an integer number (10075248).

Almost surely, 2^216576327 is an apocalyptic number.

216576327 is a deficient number, since it is larger than the sum of its proper divisors (105831609).

216576327 is an equidigital number, since it uses as much as digits as its factorization.

216576327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 830 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 216576327 is about 14716.5324380440. The cubic root of 216576327 is about 600.5331622009.

The spelling of 216576327 in words is "two hundred sixteen million, five hundred seventy-six thousand, three hundred twenty-seven".