3872013835672 has 32 divisors (see below), whose sum is σ = 7403106656880. Its totient is φ = 1897912298880.

The previous prime is 3872013835667. The next prime is 3872013835757. The reversal of 3872013835672 is 2765383102783.

It is a super-2 number, since 2×3872013835672² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3249954 + ... + 4278577.

Almost surely, 2^{3872013835672} is an apocalyptic number.

It is an amenable number.

3872013835672 is a deficient number, since it is larger than the sum of its proper divisors (3531092821208).

3872013835672 is a wasteful number, since it uses less digits than its factorization.

3872013835672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7529803 (or 7529799 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 3872013835672 in words is "three trillion, eight hundred seventy-two billion, thirteen million, eight hundred thirty-five thousand, six hundred seventy-two".