82476785 has 8 divisors (see below), whose sum is σ = 99021096. Its totient is φ = 65948800.

The previous prime is 82476769. The next prime is 82476803. The reversal of 82476785 is 58767428.

It can be written as a sum of positive squares in 4 ways, for example, as 11175649 + 71301136 = 3343^2 + 8444^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82476785 - 2⁴ = 82476769 is a prime.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 16277 + ... + 20733.

It is an arithmetic number, because the mean of its divisors is an integer number (12377637).

Almost surely, 2^82476785 is an apocalyptic number.

It is an amenable number.

82476785 is a deficient number, since it is larger than the sum of its proper divisors (16544311).

82476785 is a wasteful number, since it uses less digits than its factorization.

82476785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8163.

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

The square root of 82476785 is about 9081.6730286881. The cubic root of 82476785 is about 435.2885477112.

The spelling of 82476785 in words is "eighty-two million, four hundred seventy-six thousand, seven hundred eighty-five".