3207870848809 has 9 divisors (see below), whose sum is σ = 3526028456349. Its totient is φ = 2916228315660.

The previous prime is 3207870848803. The next prime is 3207870848839. The reversal of 3207870848809 is 9088480787023.

It is a happy number.

The square root of 3207870848809 is 1791053.

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

It is not a de Polignac number, because 3207870848809 - 2¹⁵ = 3207870816041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3207870848803) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 19620172 + ... + 19782994.

Almost surely, 2^{3207870848809} is an apocalyptic number.

3207870848809 is the 1791053-rd square number.

3207870848809 is the 895527-th centered octagonal number.

It is an amenable number.

3207870848809 is a deficient number, since it is larger than the sum of its proper divisors (318157607540).

3207870848809 is an frugal number, since it uses more digits than its factorization.

3207870848809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325668 (or 162834 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 64.

Multiplying 3207870848809 by its sum of digits (64), we get a square (205303734323776 = 14328424²).

The spelling of 3207870848809 in words is "three trillion, two hundred seven billion, eight hundred seventy million, eight hundred forty-eight thousand, eight hundred nine".