3887799668 has 12 divisors (see below), whose sum is σ = 6817856640. Its totient is φ = 1939840632.

The previous prime is 3887799667. The next prime is 3887799677. The reversal of 3887799668 is 8669977883.

It is a super-2 number, since 2×3887799668² = 30229972517001820448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887799667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012646 + ... + 1016477.

It is an arithmetic number, because the mean of its divisors is an integer number (568154720).

Almost surely, 2^3887799668 is an apocalyptic number.

It is an amenable number.

3887799668 is a deficient number, since it is larger than the sum of its proper divisors (2930056972).

3887799668 is a wasteful number, since it uses less digits than its factorization.

3887799668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029606 (or 2029604 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 71.

The square root of 3887799668 is about 62352.2226388122. Note that the first 3 decimals coincide. The cubic root of 3887799668 is about 1572.4178289439.

The spelling of 3887799668 in words is "three billion, eight hundred eighty-seven million, seven hundred ninety-nine thousand, six hundred sixty-eight".