82486775 has 12 divisors (see below), whose sum is σ = 116895792. Its totient is φ = 56562240.

The previous prime is 82486769. The next prime is 82486799. The reversal of 82486775 is 57768428.

It is not a de Polignac number, because 82486775 - 2⁸ = 82486519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 235502 + ... + 235851.

It is an arithmetic number, because the mean of its divisors is an integer number (9741316).

Almost surely, 2^82486775 is an apocalyptic number.

82486775 is a deficient number, since it is larger than the sum of its proper divisors (34409017).

82486775 is a wasteful number, since it uses less digits than its factorization.

82486775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471370 (or 471365 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The square root of 82486775 is about 9082.2230208248. The cubic root of 82486775 is about 435.3061217758.

The spelling of 82486775 in words is "eighty-two million, four hundred eighty-six thousand, seven hundred seventy-five".