6854780686142 has 16 divisors (see below), whose sum is σ = 10650489042240. Its totient is φ = 3304923458592.

The previous prime is 6854780686141. The next prime is 6854780686183. The reversal of 6854780686142 is 2416860874586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6854780686141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76401398 + ... + 76491065.

It is an arithmetic number, because the mean of its divisors is an integer number (665655565140).

Almost surely, 2^{6854780686142} is an apocalyptic number.

6854780686142 is a deficient number, since it is larger than the sum of its proper divisors (3795708356098).

6854780686142 is a wasteful number, since it uses less digits than its factorization.

6854780686142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152893267.

The product of its (nonzero) digits is 123863040, while the sum is 65.

The spelling of 6854780686142 in words is "six trillion, eight hundred fifty-four billion, seven hundred eighty million, six hundred eighty-six thousand, one hundred forty-two".