82645582 has 8 divisors (see below), whose sum is σ = 124049016. Its totient is φ = 41295912.

The previous prime is 82645579. The next prime is 82645583. The reversal of 82645582 is 28554628.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82645583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9348 + ... + 15895.

It is an arithmetic number, because the mean of its divisors is an integer number (15506127).

Almost surely, 2^82645582 is an apocalyptic number.

82645582 is a deficient number, since it is larger than the sum of its proper divisors (41403434).

82645582 is a wasteful number, since it uses less digits than its factorization.

82645582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26882.

The product of its digits is 153600, while the sum is 40.

The square root of 82645582 is about 9090.9615553032. The cubic root of 82645582 is about 435.5852992273.

The spelling of 82645582 in words is "eighty-two million, six hundred forty-five thousand, five hundred eighty-two".