2856680008 has 192 divisors, whose sum is σ = 7032614400. Its totient is φ = 1083438720.

The previous prime is 2856679999. The next prime is 2856680011. The reversal of 2856680008 is 8000866582.

It is a happy 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, 26697891 + ... + 26697997.

It is an arithmetic number, because the mean of its divisors is an integer number (36628200).

Almost surely, 2^2856680008 is an apocalyptic number.

2856680008 is a gapful number since it is divisible by the number (28) 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 2856680008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3516307200).

2856680008 is an abundant number, since it is smaller than the sum of its proper divisors (4175934392).

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

2856680008 is a wasteful number, since it uses less digits than its factorization.

2856680008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 2856680008 is about 53447.9186498408. The cubic root of 2856680008 is about 1418.9067840525.

The spelling of 2856680008 in words is "two billion, eight hundred fifty-six million, six hundred eighty thousand, eight".