2855000865 has 16 divisors (see below), whose sum is σ = 4612353408. Its totient is φ = 1507883136.

The previous prime is 2855000843. The next prime is 2855000881. The reversal of 2855000865 is 5680005582.

2855000865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2855000865 - 2⁹ = 2855000353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922404 + ... + 925493.

It is an arithmetic number, because the mean of its divisors is an integer number (288272088).

Almost surely, 2^2855000865 is an apocalyptic number.

It is an amenable number.

2855000865 is a deficient number, since it is larger than the sum of its proper divisors (1757352543).

2855000865 is a wasteful number, since it uses less digits than its factorization.

2855000865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848008.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 2855000865 is about 53432.2081239396. The cubic root of 2855000865 is about 1418.6287206647.

The spelling of 2855000865 in words is "two billion, eight hundred fifty-five million, eight hundred sixty-five", and thus it is an aban number.