82266860 has 48 divisors (see below), whose sum is σ = 194152896. Its totient is φ = 29052672.

The previous prime is 82266817. The next prime is 82266911. The reversal of 82266860 is 6866228.

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, 899 + ... + 12858.

It is an arithmetic number, because the mean of its divisors is an integer number (4044852).

Almost surely, 2^82266860 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 82266860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97076448).

82266860 is an abundant number, since it is smaller than the sum of its proper divisors (111886036).

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

82266860 is a wasteful number, since it uses less digits than its factorization.

82266860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13802 (or 13800 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 82266860 is about 9070.1080478680. The cubic root of 82266860 is about 434.9189261863.

The spelling of 82266860 in words is "eighty-two million, two hundred sixty-six thousand, eight hundred sixty".