3855223768 has 64 divisors (see below), whose sum is σ = 8093675520. Its totient is φ = 1706323200.

The previous prime is 3855223661. The next prime is 3855223787. The reversal of 3855223768 is 8673225583.

3855223768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 3546121 + ... + 3547207.

It is an arithmetic number, because the mean of its divisors is an integer number (126463680).

Almost surely, 2^3855223768 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 3855223768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4046837760).

3855223768 is an abundant number, since it is smaller than the sum of its proper divisors (4238451752).

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

3855223768 is a wasteful number, since it uses less digits than its factorization.

3855223768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128 (or 2124 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The square root of 3855223768 is about 62090.4482831297. The cubic root of 3855223768 is about 1568.0137387298.

The spelling of 3855223768 in words is "three billion, eight hundred fifty-five million, two hundred twenty-three thousand, seven hundred sixty-eight".