82266859684 has 27 divisors (see below), whose sum is σ = 146428092993. Its totient is φ = 40441902000.

The previous prime is 82266859667. The next prime is 82266859733. The reversal of 82266859684 is 48695866228.

The square root of 82266859684 is 286822.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2675165284 + 79591694400 = 51722^2 + 282120^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34991109 + ... + 34993459.

Almost surely, 2^82266859684 is an apocalyptic number.

82266859684 is the 286822-nd square number.

It is an amenable number.

82266859684 is a deficient number, since it is larger than the sum of its proper divisors (64161233309).

82266859684 is an frugal number, since it uses more digits than its factorization.

82266859684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828 (or 2414 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 64.

Multiplying 82266859684 by its sum of digits (64), we get a square (5265079019776 = 2294576²).

The spelling of 82266859684 in words is "eighty-two billion, two hundred sixty-six million, eight hundred fifty-nine thousand, six hundred eighty-four".