3456856864 has 12 divisors (see below), whose sum is σ = 6805687014. Its totient is φ = 1728428416.

The previous prime is 3456856859. The next prime is 3456856867. The reversal of 3456856864 is 4686586543.

It can be written as a sum of positive squares in only one way, i.e., 2630869264 + 825987600 = 51292^2 + 28740^2 .

It is not an unprimeable number, because it can be changed into a prime (3456856867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54013357 + ... + 54013420.

Almost surely, 2^3456856864 is an apocalyptic number.

It is an amenable number.

3456856864 is a deficient number, since it is larger than the sum of its proper divisors (3348830150).

3456856864 is a wasteful number, since it uses less digits than its factorization.

3456856864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108026787 (or 108026779 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 55.

The square root of 3456856864 is about 58795.0411514441. The cubic root of 3456856864 is about 1512.0302010522.

The spelling of 3456856864 in words is "three billion, four hundred fifty-six million, eight hundred fifty-six thousand, eight hundred sixty-four".