3456784876543 has 4 divisors (see below), whose sum is σ = 3456853099000. Its totient is φ = 3456716654088.

The previous prime is 3456784876481. The next prime is 3456784876553.

3456784876543 is nontrivially palindromic in base 10.

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 3456784876543 - 2³⁷ = 3319345923071 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 (3456784876553) 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, 34035168 + ... + 34136581.

It is an arithmetic number, because the mean of its divisors is an integer number (864213274750).

Almost surely, 2^{3456784876543} is an apocalyptic number.

3456784876543 is a deficient number, since it is larger than the sum of its proper divisors (68222457).

3456784876543 is an equidigital number, since it uses as much as digits as its factorization.

3456784876543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68222456.

The product of its digits is 1625702400, while the sum is 70.

The spelling of 3456784876543 in words is "three trillion, four hundred fifty-six billion, seven hundred eighty-four million, eight hundred seventy-six thousand, five hundred forty-three".