2855918863 has 8 divisors (see below), whose sum is σ = 3303232128. Its totient is φ = 2418436824.

The previous prime is 2855918783. The next prime is 2855918867. The reversal of 2855918863 is 3688195582.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2855918863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855918867) 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, 2457181 + ... + 2458342.

It is an arithmetic number, because the mean of its divisors is an integer number (412904016).

Almost surely, 2^2855918863 is an apocalyptic number.

2855918863 is a deficient number, since it is larger than the sum of its proper divisors (447313265).

2855918863 is an equidigital number, since it uses as much as digits as its factorization.

2855918863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4915613.

The product of its digits is 4147200, while the sum is 55.

The square root of 2855918863 is about 53440.7977391805. The cubic root of 2855918863 is about 1418.7807531665.

The spelling of 2855918863 in words is "two billion, eight hundred fifty-five million, nine hundred eighteen thousand, eight hundred sixty-three".