804720375005 has 4 divisors (see below), whose sum is σ = 965664450012. Its totient is φ = 643776300000.

The previous prime is 804720375001. The next prime is 804720375037. The reversal of 804720375005 is 500573027408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 436798062649 + 367922312356 = 660907^2 + 606566^2 .

It is not a de Polignac number, because 804720375005 - 2² = 804720375001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804720375001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80472037496 + ... + 80472037505.

It is an arithmetic number, because the mean of its divisors is an integer number (241416112503).

Almost surely, 2^804720375005 is an apocalyptic number.

It is an amenable number.

804720375005 is a deficient number, since it is larger than the sum of its proper divisors (160944075007).

804720375005 is a wasteful number, since it uses less digits than its factorization.

804720375005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160944075006.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 804720375005 in words is "eight hundred four billion, seven hundred twenty million, three hundred seventy-five thousand, five".