6878539940 has 24 divisors (see below), whose sum is σ = 14579937792. Its totient is φ = 2725700960.

The previous prime is 6878539903. The next prime is 6878539973. The reversal of 6878539940 is 499358786.

It is a self number, because there is not a number n which added to its sum of digits gives 6878539940.

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 7 ways as a sum of consecutive naturals, for example, 1604996 + ... + 1609275.

It is an arithmetic number, because the mean of its divisors is an integer number (607497408).

Almost surely, 2^6878539940 is an apocalyptic number.

It is an amenable number.

6878539940 is an abundant number, since it is smaller than the sum of its proper divisors (7701397852).

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

6878539940 is a wasteful number, since it uses less digits than its factorization.

6878539940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214387 (or 3214385 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 59.

The square root of 6878539940 is about 82936.9636531263. The cubic root of 6878539940 is about 1901.8025313171.

The spelling of 6878539940 in words is "six billion, eight hundred seventy-eight million, five hundred thirty-nine thousand, nine hundred forty".