6878835720 has 192 divisors, whose sum is σ = 22608331200. Its totient is φ = 1813824000.

The previous prime is 6878835703. The next prime is 6878835751. The reversal of 6878835720 is 275388786.

6878835720 is a `hidden beast` number, since 68 + 7 + 8 + 8 + 3 + 572 + 0 = 666.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 24306699 + ... + 24306981.

It is an arithmetic number, because the mean of its divisors is an integer number (117751725).

Almost surely, 2^6878835720 is an apocalyptic number.

6878835720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6878835720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11304165600).

6878835720 is an abundant number, since it is smaller than the sum of its proper divisors (15729495480).

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

6878835720 is a wasteful number, since it uses less digits than its factorization.

6878835720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The square root of 6878835720 is about 82938.7467954514. The cubic root of 6878835720 is about 1901.8297903525.

The spelling of 6878835720 in words is "six billion, eight hundred seventy-eight million, eight hundred thirty-five thousand, seven hundred twenty".