82644582 has 32 divisors (see below), whose sum is σ = 176837472. Its totient is φ = 25657344.

The previous prime is 82644559. The next prime is 82644593. The reversal of 82644582 is 28544628.

It is a self number, because there is not a number n which added to its sum of digits gives 82644582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5718 + ... + 14070.

It is an arithmetic number, because the mean of its divisors is an integer number (5526171).

Almost surely, 2^82644582 is an apocalyptic number.

82644582 is an abundant number, since it is smaller than the sum of its proper divisors (94192890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82644582 is a wasteful number, since it uses less digits than its factorization.

82644582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8472.

The product of its digits is 122880, while the sum is 39.

The square root of 82644582 is about 9090.9065554542. The cubic root of 82644582 is about 435.5835423798.

The spelling of 82644582 in words is "eighty-two million, six hundred forty-four thousand, five hundred eighty-two".