3868019868 has 24 divisors (see below), whose sum is σ = 9245512080. Its totient is φ = 1257892480.

The previous prime is 3868019819. The next prime is 3868019879. The reversal of 3868019868 is 8689108683.

3868019868 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3930423 + ... + 3931406.

It is an arithmetic number, because the mean of its divisors is an integer number (385229670).

Almost surely, 2^3868019868 is an apocalyptic number.

It is an amenable number.

3868019868 is an abundant number, since it is smaller than the sum of its proper divisors (5377492212).

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

3868019868 is a wasteful number, since it uses less digits than its factorization.

3868019868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7861877 (or 7861875 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 57.

The square root of 3868019868 is about 62193.4069496116. The cubic root of 3868019868 is about 1569.7466517510.

The spelling of 3868019868 in words is "three billion, eight hundred sixty-eight million, nineteen thousand, eight hundred sixty-eight".