39865611022084 has 27 divisors (see below), whose sum is σ = 69996760319143. Its totient is φ = 19866755573000.

The previous prime is 39865611022051. The next prime is 39865611022093. The reversal of 39865611022084 is 48022011656893.

The square root of 39865611022084 is 6313922.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3927254409 + ... + 3927264559.

Almost surely, 2^{39865611022084} is an apocalyptic number.

39865611022084 is the 6313922-nd square number.

It is an amenable number.

39865611022084 is a deficient number, since it is larger than the sum of its proper divisors (30131149297059).

39865611022084 is an frugal number, since it uses more digits than its factorization.

39865611022084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20928 (or 10464 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 39865611022084 in words is "thirty-nine trillion, eight hundred sixty-five billion, six hundred eleven million, twenty-two thousand, eighty-four".