3887859668 has 48 divisors (see below), whose sum is σ = 8756256768. Its totient is φ = 1465884000.

The previous prime is 3887859649. The next prime is 3887859673. The reversal of 3887859668 is 8669587883.

It is a super-2 number, since 2×3887859668² = 30230905596122140448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3887859598 and 3887859607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194048 + ... + 213143.

It is an arithmetic number, because the mean of its divisors is an integer number (182422016).

Almost surely, 2^3887859668 is an apocalyptic number.

It is an amenable number.

3887859668 is an abundant number, since it is smaller than the sum of its proper divisors (4868397100).

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

3887859668 is a wasteful number, since it uses less digits than its factorization.

3887859668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407244 (or 407242 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 68.

The square root of 3887859668 is about 62352.7037745758. The cubic root of 3887859668 is about 1572.4259178882.

The spelling of 3887859668 in words is "three billion, eight hundred eighty-seven million, eight hundred fifty-nine thousand, six hundred sixty-eight".