82247660 has 48 divisors (see below), whose sum is σ = 189598752. Its totient is φ = 29721600.

The previous prime is 82247651. The next prime is 82247677. The reversal of 82247660 is 6674228.

It is a self number, because there is not a number n which added to its sum of digits gives 82247660.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 36980 + ... + 39140.

It is an arithmetic number, because the mean of its divisors is an integer number (3949974).

Almost surely, 2^82247660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82247660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94799376).

82247660 is an abundant number, since it is smaller than the sum of its proper divisors (107351092).

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

82247660 is a wasteful number, since it uses less digits than its factorization.

82247660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354 (or 2352 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 82247660 is about 9069.0495643149. The cubic root of 82247660 is about 434.8850887736.

It can be divided in two parts, 82 and 247660, that added together give a palindrome (247742).

The spelling of 82247660 in words is "eighty-two million, two hundred forty-seven thousand, six hundred sixty".