6729878394960 has 640 divisors, whose sum is σ = 25202136960000. Its totient is φ = 1483233067008.

The previous prime is 6729878394959. The next prime is 6729878394991. The reversal of 6729878394960 is 694938789276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2466058876 + ... + 2466061604.

It is an arithmetic number, because the mean of its divisors is an integer number (39378339000).

Almost surely, 2^{6729878394960} is an apocalyptic number.

6729878394960 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 6729878394960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12601068480000).

6729878394960 is an abundant number, since it is smaller than the sum of its proper divisors (18472258565040).

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

6729878394960 is a wasteful number, since it uses less digits than its factorization.

6729878394960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828 (or 3808 counting only the distinct ones).

The product of its (nonzero) digits is 1975228416, while the sum is 78.

The spelling of 6729878394960 in words is "six trillion, seven hundred twenty-nine billion, eight hundred seventy-eight million, three hundred ninety-four thousand, nine hundred sixty".