3855878208 has 672 divisors, whose sum is σ = 14788408320. Its totient is φ = 975421440.

The previous prime is 3855878203. The next prime is 3855878237. The reversal of 3855878208 is 8028785583.

It is a happy number.

3855878208 is a `hidden beast` number, since 3 + 8 + 558 + 7 + 82 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3855878203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 34122760 + ... + 34122872.

It is an arithmetic number, because the mean of its divisors is an integer number (22006560).

Almost surely, 2^3855878208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3855878208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7394204160).

3855878208 is an abundant number, since it is smaller than the sum of its proper divisors (10932530112).

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

3855878208 is a wasteful number, since it uses less digits than its factorization.

3855878208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 54.

The square root of 3855878208 is about 62095.7181132484. The cubic root of 3855878208 is about 1568.1024592912.

The spelling of 3855878208 in words is "three billion, eight hundred fifty-five million, eight hundred seventy-eight thousand, two hundred eight".