6878980 has 24 divisors (see below), whose sum is σ = 14799960. Its totient is φ = 2684160.

The previous prime is 6878959. The next prime is 6878981. The reversal of 6878980 is 898786.

It can be written as a sum of positive squares in 4 ways, for example, as 407044 + 6471936 = 638^2 + 2544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6878980.

It is not an unprimeable number, because it can be changed into a prime (6878981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3375 + ... + 5014.

It is an arithmetic number, because the mean of its divisors is an integer number (616665).

Almost surely, 2^6878980 is an apocalyptic number.

It is an amenable number.

6878980 is an abundant number, since it is smaller than the sum of its proper divisors (7920980).

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

6878980 is a wasteful number, since it uses less digits than its factorization.

6878980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8439 (or 8437 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 6878980 is about 2622.7809668365. The cubic root of 6878980 is about 190.1843086890.

The spelling of 6878980 in words is "six million, eight hundred seventy-eight thousand, nine hundred eighty".