2688785212 has 24 divisors (see below), whose sum is σ = 5088170304. Its totient is φ = 1238387712.

The previous prime is 2688785201. The next prime is 2688785213. The reversal of 2688785212 is 2125878862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688785213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417453 + ... + 423844.

It is an arithmetic number, because the mean of its divisors is an integer number (212007096).

Almost surely, 2^2688785212 is an apocalyptic number.

It is an amenable number.

2688785212 is a deficient number, since it is larger than the sum of its proper divisors (2399385092).

2688785212 is a wasteful number, since it uses less digits than its factorization.

2688785212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841365 (or 841363 counting only the distinct ones).

The product of its digits is 860160, while the sum is 49.

The square root of 2688785212 is about 51853.4975869516. The cubic root of 2688785212 is about 1390.5460325630.

The spelling of 2688785212 in words is "two billion, six hundred eighty-eight million, seven hundred eighty-five thousand, two hundred twelve".