6542876782456 has 32 divisors (see below), whose sum is σ = 14060623500000. Its totient is φ = 2796055399296.

The previous prime is 6542876782441. The next prime is 6542876782483.

6542876782456 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167368831 + ... + 167407918.

It is an arithmetic number, because the mean of its divisors is an integer number (439394484375).

Almost surely, 2^{6542876782456} is an apocalyptic number.

It is an amenable number.

6542876782456 is an abundant number, since it is smaller than the sum of its proper divisors (7517746717544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6542876782456 is a wasteful number, since it uses less digits than its factorization.

6542876782456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334777111 (or 334777107 counting only the distinct ones).

The product of its digits is 1083801600, while the sum is 70.

The spelling of 6542876782456 in words is "six trillion, five hundred forty-two billion, eight hundred seventy-six million, seven hundred eighty-two thousand, four hundred fifty-six".