3858856655 has 16 divisors (see below), whose sum is σ = 4746924000. Its totient is φ = 3009661440.

The previous prime is 3858856649. The next prime is 3858856691. The reversal of 3858856655 is 5566588583.

3858856655 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3858856655 - 2¹⁶ = 3858791119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3858856594 and 3858856603.

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 in 15 ways as a sum of consecutive naturals, for example, 323996 + ... + 335694.

It is an arithmetic number, because the mean of its divisors is an integer number (296682750).

Almost surely, 2^3858856655 is an apocalyptic number.

3858856655 is a deficient number, since it is larger than the sum of its proper divisors (888067345).

3858856655 is a wasteful number, since it uses less digits than its factorization.

3858856655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13354.

The product of its digits is 34560000, while the sum is 59.

The square root of 3858856655 is about 62119.6961921096. The cubic root of 3858856655 is about 1568.5061120832.

The spelling of 3858856655 in words is "three billion, eight hundred fifty-eight million, eight hundred fifty-six thousand, six hundred fifty-five".