3855947712 has 56 divisors (see below), whose sum is σ = 10206849792. Its totient is φ = 1284729600.

The previous prime is 3855947707. The next prime is 3855947737. The reversal of 3855947712 is 2177495583.

3855947712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694387 + ... + 699917.

Almost surely, 2^3855947712 is an apocalyptic number.

3855947712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3855947712 is an abundant number, since it is smaller than the sum of its proper divisors (6350902080).

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

3855947712 is a wasteful number, since it uses less digits than its factorization.

3855947712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9177 (or 9167 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 51.

The square root of 3855947712 is about 62096.2777628418. The cubic root of 3855947712 is about 1568.1118811602. Note that the first 3 decimals are identical.

The spelling of 3855947712 in words is "three billion, eight hundred fifty-five million, nine hundred forty-seven thousand, seven hundred twelve".