82081104004 has 9 divisors (see below), whose sum is σ = 143642934757. Its totient is φ = 41040265504.

The previous prime is 82081103987. The next prime is 82081104011. The reversal of 82081104004 is 40040118028.

The square root of 82081104004 is 286498.

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., 33892073604 + 48189030400 = 184098^2 + 219520^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 501372 + ... + 644620.

Almost surely, 2^82081104004 is an apocalyptic number.

82081104004 is the 286498-th square number.

It is an amenable number.

82081104004 is a deficient number, since it is larger than the sum of its proper divisors (61561830753).

82081104004 is an frugal number, since it uses more digits than its factorization.

82081104004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286502 (or 143251 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The spelling of 82081104004 in words is "eighty-two billion, eighty-one million, one hundred four thousand, four".