3864671587064 has 16 divisors (see below), whose sum is σ = 7348319215920. Its totient is φ = 1905119796160.

The previous prime is 3864671587057. The next prime is 3864671587067. The reversal of 3864671587064 is 4607851764683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3864671587067) 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, 3401999069 + ... + 3402000204.

It is an arithmetic number, because the mean of its divisors is an integer number (459269950995).

Almost surely, 2^{3864671587064} is an apocalyptic number.

It is an amenable number.

3864671587064 is a deficient number, since it is larger than the sum of its proper divisors (3483647628856).

3864671587064 is a wasteful number, since it uses less digits than its factorization.

3864671587064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6803999350 (or 6803999346 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 65.

The spelling of 3864671587064 in words is "three trillion, eight hundred sixty-four billion, six hundred seventy-one million, five hundred eighty-seven thousand, sixty-four".