2863855862 has 16 divisors (see below), whose sum is σ = 5009661600. Its totient is φ = 1227366504.

The previous prime is 2863855849. The next prime is 2863855867. The reversal of 2863855862 is 2685583682.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2863855867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2086673 + ... + 2088044.

It is an arithmetic number, because the mean of its divisors is an integer number (313103850).

Almost surely, 2^2863855862 is an apocalyptic number.

2863855862 is a deficient number, since it is larger than the sum of its proper divisors (2145805738).

2863855862 is an equidigital number, since it uses as much as digits as its factorization.

2863855862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174740 (or 4174726 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 53.

The square root of 2863855862 is about 53515.0059516020. The cubic root of 2863855862 is about 1420.0938676955.

The spelling of 2863855862 in words is "two billion, eight hundred sixty-three million, eight hundred fifty-five thousand, eight hundred sixty-two".