3987776448 has 70 divisors (see below), whose sum is σ = 11821034016. Its totient is φ = 1329257088.

The previous prime is 3987776393. The next prime is 3987776483. The reversal of 3987776448 is 8446777893.

It is a super-3 number, since 3×3987776448³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 379440 + ... + 389807.

Almost surely, 2^3987776448 is an apocalyptic number.

It is an amenable number.

3987776448 is an abundant number, since it is smaller than the sum of its proper divisors (7833257568).

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

3987776448 is an equidigital number, since it uses as much as digits as its factorization.

3987776448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769271 (or 769252 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 63.

The square root of 3987776448 is about 63148.8435998633. The cubic root of 3987776448 is about 1585.7824287945.

The spelling of 3987776448 in words is "three billion, nine hundred eighty-seven million, seven hundred seventy-six thousand, four hundred forty-eight".