7828300005805 has 8 divisors (see below), whose sum is σ = 9394086626712. Its totient is φ = 6262555591488.

The previous prime is 7828300005781. The next prime is 7828300005893. The reversal of 7828300005805 is 5085000038287.

It can be written as a sum of positive squares in 4 ways, for example, as 825893811369 + 7002406194436 = 908787^2 + 2646206^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7828300005805 - 2¹⁹ = 7828299481517 is a prime.

It is a super-2 number, since 2×7828300005805² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10142154 + ... + 10886683.

It is an arithmetic number, because the mean of its divisors is an integer number (1174260828339).

Almost surely, 2^{7828300005805} is an apocalyptic number.

It is an amenable number.

7828300005805 is a deficient number, since it is larger than the sum of its proper divisors (1565786620907).

7828300005805 is a wasteful number, since it uses less digits than its factorization.

7828300005805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21103295.

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 7828300005805 in words is "seven trillion, eight hundred twenty-eight billion, three hundred million, five thousand, eight hundred five".