2685876847 has 4 divisors (see below), whose sum is σ = 2778493320. Its totient is φ = 2593260376.

The previous prime is 2685876829. The next prime is 2685876881. The reversal of 2685876847 is 7486785862.

2685876847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2685876847 - 2²⁷ = 2551659119 is a prime.

It is a super-2 number, since 2×2685876847² = 14427868874501322818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685876827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46308193 + ... + 46308250.

It is an arithmetic number, because the mean of its divisors is an integer number (694623330).

Almost surely, 2^2685876847 is an apocalyptic number.

2685876847 is a deficient number, since it is larger than the sum of its proper divisors (92616473).

2685876847 is an equidigital number, since it uses as much as digits as its factorization.

2685876847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92616472.

The product of its digits is 36126720, while the sum is 61.

The square root of 2685876847 is about 51825.4459411591. The cubic root of 2685876847 is about 1390.0444833339.

The spelling of 2685876847 in words is "two billion, six hundred eighty-five million, eight hundred seventy-six thousand, eight hundred forty-seven".