3864127636 has 12 divisors (see below), whose sum is σ = 6766972128. Its totient is φ = 1930707032.

The previous prime is 3864127621. The next prime is 3864127669. The reversal of 3864127636 is 6367214683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332776 + ... + 344191.

It is an arithmetic number, because the mean of its divisors is an integer number (563914344).

Almost surely, 2^3864127636 is an apocalyptic number.

It is an amenable number.

3864127636 is a deficient number, since it is larger than the sum of its proper divisors (2902844492).

3864127636 is a wasteful number, since it uses less digits than its factorization.

3864127636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678398 (or 678396 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The square root of 3864127636 is about 62162.1077184485. The cubic root of 3864127636 is about 1569.2199508499.

The spelling of 3864127636 in words is "three billion, eight hundred sixty-four million, one hundred twenty-seven thousand, six hundred thirty-six".