5284806785 has 8 divisors (see below), whose sum is σ = 6342311016. Its totient is φ = 4227483520.

The previous prime is 5284806763. The next prime is 5284806817. The reversal of 5284806785 is 5876084825.

It can be written as a sum of positive squares in 4 ways, for example, as 343138576 + 4941668209 = 18524^2 + 70297^2 .

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

It is not a de Polignac number, because 5284806785 - 2⁶ = 5284806721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30557 + ... + 107253.

It is an arithmetic number, because the mean of its divisors is an integer number (792788877).

Almost surely, 2^5284806785 is an apocalyptic number.

It is an amenable number.

5284806785 is a deficient number, since it is larger than the sum of its proper divisors (1057504231).

5284806785 is a wasteful number, since it uses less digits than its factorization.

5284806785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90483.

The product of its (nonzero) digits is 4300800, while the sum is 53.

The square root of 5284806785 is about 72696.6765746550. The cubic root of 5284806785 is about 1741.8457958304.

The spelling of 5284806785 in words is "five billion, two hundred eighty-four million, eight hundred six thousand, seven hundred eighty-five".