2688785286 has 48 divisors (see below), whose sum is σ = 6114754800. Its totient is φ = 786681280.

The previous prime is 2688785273. The next prime is 2688785287. The reversal of 2688785286 is 6825878862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688785287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42801 + ... + 84908.

It is an arithmetic number, because the mean of its divisors is an integer number (127390725).

Almost surely, 2^2688785286 is an apocalyptic number.

2688785286 is an abundant number, since it is smaller than the sum of its proper divisors (3425969514).

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

2688785286 is a wasteful number, since it uses less digits than its factorization.

2688785286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127765 (or 127754 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 60.

The square root of 2688785286 is about 51853.4983005004. The cubic root of 2688785286 is about 1390.5460453198.

The spelling of 2688785286 in words is "two billion, six hundred eighty-eight million, seven hundred eighty-five thousand, two hundred eighty-six".