3867069812 has 24 divisors (see below), whose sum is σ = 6897623040. Its totient is φ = 1896597920.

The previous prime is 3867069779. The next prime is 3867069839. The reversal of 3867069812 is 2189607683.

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, 21389 + ... + 90507.

It is an arithmetic number, because the mean of its divisors is an integer number (287400960).

Almost surely, 2^3867069812 is an apocalyptic number.

It is an amenable number.

3867069812 is a deficient number, since it is larger than the sum of its proper divisors (3030553228).

3867069812 is a wasteful number, since it uses less digits than its factorization.

3867069812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69391 (or 69389 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 3867069812 is about 62185.7685648413. The cubic root of 3867069812 is about 1569.6181217888.

The spelling of 3867069812 in words is "three billion, eight hundred sixty-seven million, sixty-nine thousand, eight hundred twelve".