6782801894 has 12 divisors (see below), whose sum is σ = 11183215092. Its totient is φ = 3083091660.

The previous prime is 6782801863. The next prime is 6782801929. The reversal of 6782801894 is 4981082876.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14013812 + ... + 14014295.

It is an arithmetic number, because the mean of its divisors is an integer number (931934591).

Almost surely, 2^6782801894 is an apocalyptic number.

6782801894 is a deficient number, since it is larger than the sum of its proper divisors (4400413198).

6782801894 is a wasteful number, since it uses less digits than its factorization.

6782801894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28028131 (or 28028120 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 53.

The square root of 6782801894 is about 82357.7676603731. The cubic root of 6782801894 is about 1892.9379475968.

The spelling of 6782801894 in words is "six billion, seven hundred eighty-two million, eight hundred one thousand, eight hundred ninety-four".