3228856687 has 4 divisors (see below), whose sum is σ = 3690121936. Its totient is φ = 2767591440.

The previous prime is 3228856667. The next prime is 3228856693. The reversal of 3228856687 is 7866588223.

3228856687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3228856687 - 2¹¹ = 3228854639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228856667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230632614 + ... + 230632627.

It is an arithmetic number, because the mean of its divisors is an integer number (922530484).

Almost surely, 2^3228856687 is an apocalyptic number.

3228856687 is a deficient number, since it is larger than the sum of its proper divisors (461265249).

3228856687 is an equidigital number, since it uses as much as digits as its factorization.

3228856687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461265248.

The product of its digits is 7741440, while the sum is 55.

The square root of 3228856687 is about 56823.0295478867. The cubic root of 3228856687 is about 1478.0288903160.

The spelling of 3228856687 in words is "three billion, two hundred twenty-eight million, eight hundred fifty-six thousand, six hundred eighty-seven".