2863855828 has 6 divisors (see below), whose sum is σ = 5011747706. Its totient is φ = 1431927912.

The previous prime is 2863855817. The next prime is 2863855837. The reversal of 2863855828 is 8285583682.

It can be written as a sum of positive squares in only one way, i.e., 2797563664 + 66292164 = 52892^2 + 8142^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 357981975 + ... + 357981982.

Almost surely, 2^2863855828 is an apocalyptic number.

It is an amenable number.

2863855828 is a deficient number, since it is larger than the sum of its proper divisors (2147891878).

2863855828 is a wasteful number, since it uses less digits than its factorization.

2863855828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715963961 (or 715963959 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 55.

The square root of 2863855828 is about 53515.0056339341. The cubic root of 2863855828 is about 1420.0938620757.

The spelling of 2863855828 in words is "two billion, eight hundred sixty-three million, eight hundred fifty-five thousand, eight hundred twenty-eight".