3872932308656 has 80 divisors (see below), whose sum is σ = 8002478415744. Its totient is φ = 1809442685952.

The previous prime is 3872932308617. The next prime is 3872932308667. The reversal of 3872932308656 is 6568032392783.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41940071 + ... + 42032313.

Almost surely, 2^{3872932308656} 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 3872932308656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4001239207872).

3872932308656 is an abundant number, since it is smaller than the sum of its proper divisors (4129546107088).

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

3872932308656 is a wasteful number, since it uses less digits than its factorization.

3872932308656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93378 (or 93372 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 62.

The spelling of 3872932308656 in words is "three trillion, eight hundred seventy-two billion, nine hundred thirty-two million, three hundred eight thousand, six hundred fifty-six".