2685531768 has 32 divisors (see below), whose sum is σ = 6725621760. Its totient is φ = 893604960.

The previous prime is 2685531757. The next prime is 2685531787. The reversal of 2685531768 is 8671355862.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2685531768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84280 + ... + 111687.

It is an arithmetic number, because the mean of its divisors is an integer number (210175680).

Almost surely, 2^2685531768 is an apocalyptic number.

It is an amenable number.

2685531768 is an abundant number, since it is smaller than the sum of its proper divisors (4040089992).

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

2685531768 is a wasteful number, since it uses less digits than its factorization.

2685531768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196547 (or 196543 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The square root of 2685531768 is about 51822.1165912779. The cubic root of 2685531768 is about 1389.9849502364.

The spelling of 2685531768 in words is "two billion, six hundred eighty-five million, five hundred thirty-one thousand, seven hundred sixty-eight".