2685803776 has 18 divisors (see below), whose sum is σ = 5361116642. Its totient is φ = 1342901760.

The previous prime is 2685803671. The next prime is 2685803777. The reversal of 2685803776 is 6773085862.

It can be written as a sum of positive squares in only one way, i.e., 2021401600 + 664402176 = 44960^2 + 25776^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685803777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5245455 + ... + 5245966.

Almost surely, 2^2685803776 is an apocalyptic number.

It is an amenable number.

2685803776 is a deficient number, since it is larger than the sum of its proper divisors (2675312866).

2685803776 is an equidigital number, since it uses as much as digits as its factorization.

2685803776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10491437 (or 10491423 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The square root of 2685803776 is about 51824.7409641380. The cubic root of 2685803776 is about 1390.0318775361.

The spelling of 2685803776 in words is "two billion, six hundred eighty-five million, eight hundred three thousand, seven hundred seventy-six".