6873987678 has 16 divisors (see below), whose sum is σ = 14191458816. Its totient is φ = 2217415320.

The previous prime is 6873987671. The next prime is 6873987683. The reversal of 6873987678 is 8767893786.

It is a super-5 number, since 5×6873987678⁵ (a number of 50 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6873987671) 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, 18478276 + ... + 18478647.

It is an arithmetic number, because the mean of its divisors is an integer number (886966176).

Almost surely, 2^6873987678 is an apocalyptic number.

6873987678 is an abundant number, since it is smaller than the sum of its proper divisors (7317471138).

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

6873987678 is a wasteful number, since it uses less digits than its factorization.

6873987678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36956959.

The product of its digits is 170698752, while the sum is 69.

The square root of 6873987678 is about 82909.5150028029. The cubic root of 6873987678 is about 1901.3828970131.

The spelling of 6873987678 in words is "six billion, eight hundred seventy-three million, nine hundred eighty-seven thousand, six hundred seventy-eight".