3997936650708 has 576 divisors, whose sum is σ = 14252526167040. Its totient is φ = 952636204800.

The previous prime is 3997936650671. The next prime is 3997936650727. The reversal of 3997936650708 is 8070566397993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 123335023 + ... + 123367433.

It is an arithmetic number, because the mean of its divisors is an integer number (24743969040).

Almost surely, 2^{3997936650708} 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 3997936650708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7126263083520).

3997936650708 is an abundant number, since it is smaller than the sum of its proper divisors (10254589516332).

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

3997936650708 is a wasteful number, since it uses less digits than its factorization.

3997936650708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32625 (or 32610 counting only the distinct ones).

The product of its (nonzero) digits is 462944160, while the sum is 72.

The spelling of 3997936650708 in words is "three trillion, nine hundred ninety-seven billion, nine hundred thirty-six million, six hundred fifty thousand, seven hundred eight".