3967784016 has 60 divisors (see below), whose sum is σ = 11923602912. Its totient is φ = 1133651904.

The previous prime is 3967783993. The next prime is 3967784017. The reversal of 3967784016 is 6104877693.

It is a self number, because there is not a number n which added to its sum of digits gives 3967784016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3967784017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 841140 + ... + 845843.

Almost surely, 2^3967784016 is an apocalyptic number.

It is an amenable number.

3967784016 is an abundant number, since it is smaller than the sum of its proper divisors (7955818896).

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

3967784016 is a wasteful number, since it uses less digits than its factorization.

3967784016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687008 (or 1686995 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 3967784016 is about 62990.3485940505. The cubic root of 3967784016 is about 1583.1279188462.

The spelling of 3967784016 in words is "three billion, nine hundred sixty-seven million, seven hundred eighty-four thousand, sixteen".