3972786944 has 36 divisors (see below), whose sum is σ = 9062924304. Its totient is φ = 1702622208.

The previous prime is 3972786929. The next prime is 3972786953. The reversal of 3972786944 is 4496872793.

3972786944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3972786944² = 31566072204833718272, which contains 22 as substring.

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, 1106687 + ... + 1110270.

Almost surely, 2^3972786944 is an apocalyptic number.

It is an amenable number.

3972786944 is an abundant number, since it is smaller than the sum of its proper divisors (5090137360).

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

3972786944 is an equidigital number, since it uses as much as digits as its factorization.

3972786944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216980 (or 2216966 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 59.

The square root of 3972786944 is about 63030.0479454046. The cubic root of 3972786944 is about 1583.7930212840.

The spelling of 3972786944 in words is "three billion, nine hundred seventy-two million, seven hundred eighty-six thousand, nine hundred forty-four".