82755443 has 2 divisors, whose sum is σ = 82755444. Its totient is φ = 82755442.

The previous prime is 82755397. The next prime is 82755479. The reversal of 82755443 is 34455728.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82755443 is a prime.

It is a super-2 number, since 2×82755443² = 13696926692252498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82755397 and 82755406.

It is not a weakly prime, because it can be changed into another prime (82755943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41377721 + 41377722.

It is an arithmetic number, because the mean of its divisors is an integer number (41377722).

Almost surely, 2^82755443 is an apocalyptic number.

82755443 is a deficient number, since it is larger than the sum of its proper divisors (1).

82755443 is an equidigital number, since it uses as much as digits as its factorization.

82755443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 38.

The square root of 82755443 is about 9097.0018687477. The cubic root of 82755443 is about 435.7782220147.

The spelling of 82755443 in words is "eighty-two million, seven hundred fifty-five thousand, four hundred forty-three".