820882319 has 2 divisors, whose sum is σ = 820882320. Its totient is φ = 820882318.

The previous prime is 820882303. The next prime is 820882339. The reversal of 820882319 is 913288028.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 820882319 - 2⁴ = 820882303 is a prime.

It is a super-2 number, since 2×820882319² = 1347695563293635522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (820882339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410441159 + 410441160.

It is an arithmetic number, because the mean of its divisors is an integer number (410441160).

Almost surely, 2^820882319 is an apocalyptic number.

820882319 is a deficient number, since it is larger than the sum of its proper divisors (1).

820882319 is an equidigital number, since it uses as much as digits as its factorization.

820882319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 820882319 is about 28651.0439425861. The cubic root of 820882319 is about 936.3257500699.

The spelling of 820882319 in words is "eight hundred twenty million, eight hundred eighty-two thousand, three hundred nineteen".