3853743172728 has 16 divisors (see below), whose sum is σ = 9634357931880. Its totient is φ = 1284581057568.

The previous prime is 3853743172709. The next prime is 3853743172751. The reversal of 3853743172728 is 8272713473583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80286316075 + ... + 80286316122.

Almost surely, 2^{3853743172728} is an apocalyptic number.

It is an amenable number.

3853743172728 is an abundant number, since it is smaller than the sum of its proper divisors (5780614759152).

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

3853743172728 is a wasteful number, since it uses less digits than its factorization.

3853743172728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160572632206 (or 160572632202 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 60.

The spelling of 3853743172728 in words is "three trillion, eight hundred fifty-three billion, seven hundred forty-three million, one hundred seventy-two thousand, seven hundred twenty-eight".