6699280896 has 480 divisors, whose sum is σ = 24512716800. Its totient is φ = 1710858240.

The previous prime is 6699280871. The next prime is 6699280901. The reversal of 6699280896 is 6980829966.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28030345 + ... + 28030583.

It is an arithmetic number, because the mean of its divisors is an integer number (51068160).

Almost surely, 2^6699280896 is an apocalyptic number.

6699280896 is a gapful number since it is divisible by the number (66) 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 6699280896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12256358400).

6699280896 is an abundant number, since it is smaller than the sum of its proper divisors (17813435904).

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

6699280896 is a wasteful number, since it uses less digits than its factorization.

6699280896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The square root of 6699280896 is about 81849.1349740484. The cubic root of 6699280896 is about 1885.1361829625.

The spelling of 6699280896 in words is "six billion, six hundred ninety-nine million, two hundred eighty thousand, eight hundred ninety-six".