82273743556 has 27 divisors (see below), whose sum is σ = 144991009191. Its totient is φ = 40849750944.

The previous prime is 82273743553. The next prime is 82273743557. The reversal of 82273743556 is 65534737228.

The square root of 82273743556 is 286834.

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

It can be written as a sum of positive squares in 4 ways, for example, as 22924988100 + 59348755456 = 151410^2 + 243616^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82273743553) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 99244150 + ... + 99244978.

Almost surely, 2^82273743556 is an apocalyptic number.

82273743556 is the 286834-th square number.

It is an amenable number.

82273743556 is a deficient number, since it is larger than the sum of its proper divisors (62717265635).

82273743556 is an frugal number, since it uses more digits than its factorization.

82273743556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008 (or 1004 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 52.

The spelling of 82273743556 in words is "eighty-two billion, two hundred seventy-three million, seven hundred forty-three thousand, five hundred fifty-six".