827965219 has 2 divisors, whose sum is σ = 827965220. Its totient is φ = 827965218.

The previous prime is 827965213. The next prime is 827965241. The reversal of 827965219 is 912569728.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 827965219 - 2¹³ = 827957027 is a prime.

It is a super-2 number, since 2×827965219² = 1371052807747435922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (827965213) 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, 413982609 + 413982610.

It is an arithmetic number, because the mean of its divisors is an integer number (413982610).

Almost surely, 2^827965219 is an apocalyptic number.

827965219 is a deficient number, since it is larger than the sum of its proper divisors (1).

827965219 is an equidigital number, since it uses as much as digits as its factorization.

827965219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 49.

The square root of 827965219 is about 28774.3847718765. The cubic root of 827965219 is about 939.0110388875.

The spelling of 827965219 in words is "eight hundred twenty-seven million, nine hundred sixty-five thousand, two hundred nineteen".