3968888744 has 8 divisors (see below), whose sum is σ = 7441666410. Its totient is φ = 1984444368.

The previous prime is 3968888743. The next prime is 3968888753. The reversal of 3968888744 is 4478888693.

3968888744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2309955844 + 1658932900 = 48062^2 + 40730^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3968888743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248055539 + ... + 248055554.

Almost surely, 2^3968888744 is an apocalyptic number.

It is an amenable number.

3968888744 is a deficient number, since it is larger than the sum of its proper divisors (3472777666).

3968888744 is a wasteful number, since it uses less digits than its factorization.

3968888744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496111099 (or 496111095 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 65.

The square root of 3968888744 is about 62999.1170096851. The cubic root of 3968888744 is about 1583.2748323747.

The spelling of 3968888744 in words is "three billion, nine hundred sixty-eight million, eight hundred eighty-eight thousand, seven hundred forty-four".