3996452786768 has 160 divisors (see below), whose sum is σ = 8744557645824. Its totient is φ = 1755569604096.

The previous prime is 3996452786747. The next prime is 3996452786789. The reversal of 3996452786768 is 8676872546993.

It is a Cunningham number, because it is equal to 1999113²-1.

It is an interprime number because it is at equal distance from previous prime (3996452786747) and next prime (3996452786789).

It is a junction number, because it is equal to n+sod(n) for n = 3996452786692 and 3996452786701.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1195467305 + ... + 1195470647.

Almost surely, 2^{3996452786768} 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 3996452786768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4372278822912).

3996452786768 is an abundant number, since it is smaller than the sum of its proper divisors (4748104859056).

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

3996452786768 is a wasteful number, since it uses less digits than its factorization.

3996452786768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553 (or 4547 counting only the distinct ones).

The product of its digits is 6584094720, while the sum is 80.

The spelling of 3996452786768 in words is "three trillion, nine hundred ninety-six billion, four hundred fifty-two million, seven hundred eighty-six thousand, seven hundred sixty-eight".