6808397280 has 96 divisors (see below), whose sum is σ = 22186029600. Its totient is φ = 1752963072.

The previous prime is 6808397257. The next prime is 6808397287. The reversal of 6808397280 is 827938086.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×6808397280² = 92708547044622796800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6808397287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230635 + ... + 258474.

It is an arithmetic number, because the mean of its divisors is an integer number (231104475).

Almost surely, 2^6808397280 is an apocalyptic number.

6808397280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6808397280 is an abundant number, since it is smaller than the sum of its proper divisors (15377632320).

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

6808397280 is a wasteful number, since it uses less digits than its factorization.

6808397280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489156 (or 489148 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 6808397280 is about 82513.0127919227. The cubic root of 6808397280 is about 1895.3160042302.

The spelling of 6808397280 in words is "six billion, eight hundred eight million, three hundred ninety-seven thousand, two hundred eighty".