3782399664 has 20 divisors (see below), whose sum is σ = 9771199256. Its totient is φ = 1260799872.

The previous prime is 3782399659. The next prime is 3782399693. The reversal of 3782399664 is 4669932873.

3782399664 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39399949 + ... + 39400044.

Almost surely, 2^3782399664 is an apocalyptic number.

It is an amenable number.

3782399664 is an abundant number, since it is smaller than the sum of its proper divisors (5988799592).

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

3782399664 is a wasteful number, since it uses less digits than its factorization.

3782399664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78800004 (or 78799998 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 57.

The square root of 3782399664 is about 61501.2167684510. The cubic root of 3782399664 is about 1558.0777968351.

It can be divided in two parts, 378 and 2399664, that added together give a palindrome (2400042).

The spelling of 3782399664 in words is "three billion, seven hundred eighty-two million, three hundred ninety-nine thousand, six hundred sixty-four".