6835785620 has 24 divisors (see below), whose sum is σ = 14516447400. Its totient is φ = 2703590912.

The previous prime is 6835785613. The next prime is 6835785659. The reversal of 6835785620 is 265875386.

It can be written as a sum of positive squares in 4 ways, for example, as 1069813264 + 5765972356 = 32708^2 + 75934^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1918385 + ... + 1921944.

It is an arithmetic number, because the mean of its divisors is an integer number (604851975).

Almost surely, 2^6835785620 is an apocalyptic number.

It is an amenable number.

6835785620 is an abundant number, since it is smaller than the sum of its proper divisors (7680661780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6835785620 is a wasteful number, since it uses less digits than its factorization.

6835785620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840427 (or 3840425 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The square root of 6835785620 is about 82678.8099817601. The cubic root of 6835785620 is about 1897.8540517865.

The spelling of 6835785620 in words is "six billion, eight hundred thirty-five million, seven hundred eighty-five thousand, six hundred twenty".