2857805855 has 8 divisors (see below), whose sum is σ = 3433600464. Its totient is φ = 2283422400.

The previous prime is 2857805849. The next prime is 2857805869. The reversal of 2857805855 is 5585087582.

2857805855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2857805855 - 2²⁰ = 2856757279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2857805797 and 2857805806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348326 + ... + 356435.

It is an arithmetic number, because the mean of its divisors is an integer number (429200058).

Almost surely, 2^2857805855 is an apocalyptic number.

2857805855 is a deficient number, since it is larger than the sum of its proper divisors (575794609).

2857805855 is an equidigital number, since it uses as much as digits as its factorization.

2857805855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705577.

The product of its (nonzero) digits is 4480000, while the sum is 53.

The square root of 2857805855 is about 53458.4497998212. The cubic root of 2857805855 is about 1419.0931614939.

The spelling of 2857805855 in words is "two billion, eight hundred fifty-seven million, eight hundred five thousand, eight hundred fifty-five".