2783828909 has 8 divisors (see below), whose sum is σ = 2932020000. Its totient is φ = 2635805232.

The previous prime is 2783828891. The next prime is 2783828917. The reversal of 2783828909 is 9098283872.

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 2783828909 - 2¹⁶ = 2783763373 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 (2783828609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6959 + ... + 74940.

It is an arithmetic number, because the mean of its divisors is an integer number (366502500).

Almost surely, 2^2783828909 is an apocalyptic number.

It is an amenable number.

2783828909 is a deficient number, since it is larger than the sum of its proper divisors (148191091).

2783828909 is a wasteful number, since it uses less digits than its factorization.

2783828909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83707.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The square root of 2783828909 is about 52762.0025112770. The cubic root of 2783828909 is about 1406.7411128800.

The spelling of 2783828909 in words is "two billion, seven hundred eighty-three million, eight hundred twenty-eight thousand, nine hundred nine".