2688788862 has 12 divisors (see below), whose sum is σ = 5825709240. Its totient is φ = 896262948.

The previous prime is 2688788801. The next prime is 2688788873. The reversal of 2688788862 is 2688878862.

It is a self number, because there is not a number n which added to its sum of digits gives 2688788862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74688562 + ... + 74688597.

It is an arithmetic number, because the mean of its divisors is an integer number (485475770).

Almost surely, 2^2688788862 is an apocalyptic number.

2688788862 is an abundant number, since it is smaller than the sum of its proper divisors (3136920378).

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

2688788862 is a wasteful number, since it uses less digits than its factorization.

2688788862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149377167 (or 149377164 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 63.

The square root of 2688788862 is about 51853.5327822512. The cubic root of 2688788862 is about 1390.5466617804.

Subtracting 2688788862 from its reverse (2688878862), we obtain a square (90000 = 300²).

The spelling of 2688788862 in words is "two billion, six hundred eighty-eight million, seven hundred eighty-eight thousand, eight hundred sixty-two".