82756319 has 2 divisors, whose sum is σ = 82756320. Its totient is φ = 82756318.

The previous prime is 82756307. The next prime is 82756361. The reversal of 82756319 is 91365728.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82756319 is a prime.

It is a super-2 number, since 2×82756319² = 13697216668859522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82356319) 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, 41378159 + 41378160.

It is an arithmetic number, because the mean of its divisors is an integer number (41378160).

Almost surely, 2^82756319 is an apocalyptic number.

82756319 is a deficient number, since it is larger than the sum of its proper divisors (1).

82756319 is an equidigital number, since it uses as much as digits as its factorization.

82756319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 82756319 is about 9097.0500163515. The cubic root of 82756319 is about 435.7797596391.

The spelling of 82756319 in words is "eighty-two million, seven hundred fifty-six thousand, three hundred nineteen".