2855825783 has 4 divisors (see below), whose sum is σ = 2871604008. Its totient is φ = 2840047560.

The previous prime is 2855825729. The next prime is 2855825789. The reversal of 2855825783 is 3875285582.

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 2855825783 - 2¹⁸ = 2855563639 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 (2855825789) 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, 7888841 + ... + 7889202.

It is an arithmetic number, because the mean of its divisors is an integer number (717901002).

Almost surely, 2^2855825783 is an apocalyptic number.

2855825783 is a deficient number, since it is larger than the sum of its proper divisors (15778225).

2855825783 is a wasteful number, since it uses less digits than its factorization.

2855825783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15778224.

The product of its digits is 5376000, while the sum is 53.

The square root of 2855825783 is about 53439.9268618511. The cubic root of 2855825783 is about 1418.7653393828.

The spelling of 2855825783 in words is "two billion, eight hundred fifty-five million, eight hundred twenty-five thousand, seven hundred eighty-three".