3505227785 has 4 divisors (see below), whose sum is σ = 4206273348. Its totient is φ = 2804182224.

The previous prime is 3505227763. The next prime is 3505227797. The reversal of 3505227785 is 5877225053.

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 435181321 + 3070046464 = 20861^2 + 55408^2 .

It is a cyclic number.

It is not a de Polignac number, because 3505227785 - 2⁶ = 3505227721 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350522774 + ... + 350522783.

It is an arithmetic number, because the mean of its divisors is an integer number (1051568337).

Almost surely, 2^3505227785 is an apocalyptic number.

It is an amenable number.

3505227785 is a deficient number, since it is larger than the sum of its proper divisors (701045563).

3505227785 is an equidigital number, since it uses as much as digits as its factorization.

3505227785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701045562.

The product of its (nonzero) digits is 588000, while the sum is 44.

The square root of 3505227785 is about 59204.9641922027. The cubic root of 3505227785 is about 1519.0500448473.

The spelling of 3505227785 in words is "three billion, five hundred five million, two hundred twenty-seven thousand, seven hundred eighty-five".