6782542789 has 16 divisors (see below), whose sum is σ = 7562528064. Its totient is φ = 6031264000.

The previous prime is 6782542783. The next prime is 6782542801. The reversal of 6782542789 is 9872452876.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6782542789 - 2⁵ = 6782542757 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 (6782542783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55437 + ... + 128989.

It is an arithmetic number, because the mean of its divisors is an integer number (472658004).

Almost surely, 2^6782542789 is an apocalyptic number.

It is an amenable number.

6782542789 is a deficient number, since it is larger than the sum of its proper divisors (779985275).

6782542789 is a wasteful number, since it uses less digits than its factorization.

6782542789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73748.

The product of its digits is 13547520, while the sum is 58.

The square root of 6782542789 is about 82356.1946000421. The cubic root of 6782542789 is about 1892.9138436969.

The spelling of 6782542789 in words is "six billion, seven hundred eighty-two million, five hundred forty-two thousand, seven hundred eighty-nine".