3887512625 has 8 divisors (see below), whose sum is σ = 4851615912. Its totient is φ = 3110010000.

The previous prime is 3887512609. The next prime is 3887512637. The reversal of 3887512625 is 5262157883.

It can be written as a sum of positive squares in 4 ways, for example, as 85063729 + 3802448896 = 9223^2 + 61664^2 .

It is not a de Polignac number, because 3887512625 - 2⁴ = 3887512609 is a prime.

It is a super-2 number, since 2×3887512625² = 30225508819068781250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3887512625.

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 7 ways as a sum of consecutive naturals, for example, 15549926 + ... + 15550175.

It is an arithmetic number, because the mean of its divisors is an integer number (606451989).

Almost surely, 2^3887512625 is an apocalyptic number.

It is an amenable number.

3887512625 is a deficient number, since it is larger than the sum of its proper divisors (964103287).

3887512625 is an equidigital number, since it uses as much as digits as its factorization.

3887512625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31100116 (or 31100106 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 3887512625 is about 62349.9208098936. The cubic root of 3887512625 is about 1572.3791298787.

The spelling of 3887512625 in words is "three billion, eight hundred eighty-seven million, five hundred twelve thousand, six hundred twenty-five".