3995723776 has 96 divisors (see below), whose sum is σ = 8770507200. Its totient is φ = 1804861440.

The previous prime is 3995723773. The next prime is 3995723777. The reversal of 3995723776 is 6773275993.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3995723776.

It is not an unprimeable number, because it can be changed into a prime (3995723773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4347445 + ... + 4348363.

It is an arithmetic number, because the mean of its divisors is an integer number (91359450).

Almost surely, 2^3995723776 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 3995723776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4385253600).

3995723776 is an abundant number, since it is smaller than the sum of its proper divisors (4774783424).

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

3995723776 is a wasteful number, since it uses less digits than its factorization.

3995723776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1125 counting only the distinct ones).

The product of its digits is 15002820, while the sum is 58.

The square root of 3995723776 is about 63211.7376442066. The cubic root of 3995723776 is about 1586.8351767298.

The spelling of 3995723776 in words is "three billion, nine hundred ninety-five million, seven hundred twenty-three thousand, seven hundred seventy-six".