3868778594 has 16 divisors (see below), whose sum is σ = 6146083680. Its totient is φ = 1821333600.

The previous prime is 3868778581. The next prime is 3868778603. The reversal of 3868778594 is 4958778683.

It is a self number, because there is not a number n which added to its sum of digits gives 3868778594.

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, 306107 + ... + 318494.

It is an arithmetic number, because the mean of its divisors is an integer number (384130230).

Almost surely, 2^3868778594 is an apocalyptic number.

3868778594 is a deficient number, since it is larger than the sum of its proper divisors (2277305086).

3868778594 is a wasteful number, since it uses less digits than its factorization.

3868778594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624785.

The product of its digits is 81285120, while the sum is 65.

The square root of 3868778594 is about 62199.5063806780. The cubic root of 3868778594 is about 1569.8492821902.

The spelling of 3868778594 in words is "three billion, eight hundred sixty-eight million, seven hundred seventy-eight thousand, five hundred ninety-four".