82755479 has 2 divisors, whose sum is σ = 82755480. Its totient is φ = 82755478.

The previous prime is 82755443. The next prime is 82755481. The reversal of 82755479 is 97455728.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82755479 - 2²⁰ = 81706903 is a prime.

It is a Sophie Germain prime.

Together with 82755481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82758479) 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, 41377739 + 41377740.

It is an arithmetic number, because the mean of its divisors is an integer number (41377740).

Almost surely, 2^82755479 is an apocalyptic number.

82755479 is a deficient number, since it is larger than the sum of its proper divisors (1).

82755479 is an equidigital number, since it uses as much as digits as its factorization.

82755479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 47.

The square root of 82755479 is about 9097.0038474214. The cubic root of 82755479 is about 435.7782852049.

The spelling of 82755479 in words is "eighty-two million, seven hundred fifty-five thousand, four hundred seventy-nine".