2002859783 has 4 divisors (see below), whose sum is σ = 2023507920. Its totient is φ = 1982211648.

The previous prime is 2002859759. The next prime is 2002859791. The reversal of 2002859783 is 3879582002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2002859783 - 2¹⁶ = 2002794247 is a prime.

It is a super-2 number, since 2×2002859783² = 8022894620717614178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002859713) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10323923 + ... + 10324116.

It is an arithmetic number, because the mean of its divisors is an integer number (505876980).

Almost surely, 2^2002859783 is an apocalyptic number.

2002859783 is a deficient number, since it is larger than the sum of its proper divisors (20648137).

2002859783 is an equidigital number, since it uses as much as digits as its factorization.

2002859783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20648136.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 2002859783 is about 44753.3214745006. The cubic root of 2002859783 is about 1260.5212806974.

The spelling of 2002859783 in words is "two billion, two million, eight hundred fifty-nine thousand, seven hundred eighty-three".