7804189785604 has 27 divisors (see below), whose sum is σ = 13833180446421. Its totient is φ = 3852483385920.

The previous prime is 7804189785547. The next prime is 7804189785617. The reversal of 7804189785604 is 4065879814087.

The square root of 7804189785604 is 2793598.

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., 2127216416004 + 5676973369600 = 1458498^2 + 2382640^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7804189785604.

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, 441379644 + ... + 441397324.

Almost surely, 2^{7804189785604} is an apocalyptic number.

7804189785604 is the 2793598-th square number.

It is an amenable number.

7804189785604 is a deficient number, since it is larger than the sum of its proper divisors (6028990660817).

7804189785604 is an frugal number, since it uses more digits than its factorization.

7804189785604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35524 (or 17762 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 67.

The spelling of 7804189785604 in words is "seven trillion, eight hundred four billion, one hundred eighty-nine million, seven hundred eighty-five thousand, six hundred four".