6878797680 has 320 divisors, whose sum is σ = 23308508160. Its totient is φ = 1672839168.

The previous prime is 6878797663. The next prime is 6878797697. The reversal of 6878797680 is 867978786.

It is an interprime number because it is at equal distance from previous prime (6878797663) and next prime (6878797697).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15527539 + ... + 15527981.

It is an arithmetic number, because the mean of its divisors is an integer number (72839088).

Almost surely, 2^6878797680 is an apocalyptic number.

6878797680 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 6878797680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11654254080).

6878797680 is an abundant number, since it is smaller than the sum of its proper divisors (16429710480).

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

6878797680 is a wasteful number, since it uses less digits than its factorization.

6878797680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 66.

The square root of 6878797680 is about 82938.5174692676. The cubic root of 6878797680 is about 1901.8262846362.

The spelling of 6878797680 in words is "six billion, eight hundred seventy-eight million, seven hundred ninety-seven thousand, six hundred eighty".