3987425897316 has 81 divisors (see below), whose sum is σ = 10707651650059. Its totient is φ = 1250893244928.

The previous prime is 3987425897281. The next prime is 3987425897353. The reversal of 3987425897316 is 6137985247893.

The square root of 3987425897316 is 1996854.

It is a perfect power (a square), and thus also a powerful number.

3987425897316 is a `hidden beast` number, since 3 + 9 + 8 + 7 + 4 + 2 + 589 + 7 + 31 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2257043503716 + 1730382393600 = 1502346^2 + 1315440^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 203669320 + ... + 203688896.

Almost surely, 2^{3987425897316} is an apocalyptic number.

3987425897316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

3987425897316 is the 1996854-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3987425897316

3987425897316 is an abundant number, since it is smaller than the sum of its proper divisors (6720225752743).

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

3987425897316 is an equidigital number, since it uses as much as digits as its factorization.

3987425897316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39198 (or 19599 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 72.

The spelling of 3987425897316 in words is "three trillion, nine hundred eighty-seven billion, four hundred twenty-five million, eight hundred ninety-seven thousand, three hundred sixteen".