3867531587612 has 36 divisors (see below), whose sum is σ = 8502176886000. Its totient is φ = 1506830487360.

The previous prime is 3867531587603. The next prime is 3867531587741. The reversal of 3867531587612 is 2167851357683.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 570765737 + ... + 570772512.

Almost surely, 2^{3867531587612} is an apocalyptic number.

It is an amenable number.

3867531587612 is an abundant number, since it is smaller than the sum of its proper divisors (4634645298388).

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

3867531587612 is a wasteful number, since it uses less digits than its factorization.

3867531587612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141538282 (or 1141538269 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 62.

The spelling of 3867531587612 in words is "three trillion, eight hundred sixty-seven billion, five hundred thirty-one million, five hundred eighty-seven thousand, six hundred twelve".