3855758028 has 48 divisors (see below), whose sum is σ = 9254574336. Its totient is φ = 1248932160.

The previous prime is 3855757993. The next prime is 3855758033. The reversal of 3855758028 is 8208575583.

It is a happy number.

3855758028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 29025 + ... + 92487.

It is an arithmetic number, because the mean of its divisors is an integer number (192803632).

Almost surely, 2^3855758028 is an apocalyptic number.

It is an amenable number.

3855758028 is an abundant number, since it is smaller than the sum of its proper divisors (5398816308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3855758028 is a wasteful number, since it uses less digits than its factorization.

3855758028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63614 (or 63612 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 51.

The square root of 3855758028 is about 62094.7504061334. The cubic root of 3855758028 is about 1568.0861675844.

The spelling of 3855758028 in words is "three billion, eight hundred fifty-five million, seven hundred fifty-eight thousand, twenty-eight".