2685316777 has 16 divisors (see below), whose sum is σ = 3156253632. Its totient is φ = 2252358720.

The previous prime is 2685316757. The next prime is 2685316783. The reversal of 2685316777 is 7776135862.

It is a cyclic number.

It is not a de Polignac number, because 2685316777 - 2²³ = 2676928169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2685316757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523258 + ... + 528364.

It is an arithmetic number, because the mean of its divisors is an integer number (197265852).

Almost surely, 2^2685316777 is an apocalyptic number.

It is an amenable number.

2685316777 is a deficient number, since it is larger than the sum of its proper divisors (470936855).

2685316777 is a wasteful number, since it uses less digits than its factorization.

2685316777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8808.

The product of its digits is 2963520, while the sum is 52.

The square root of 2685316777 is about 51820.0422327115. The cubic root of 2685316777 is about 1389.9478573681.

The spelling of 2685316777 in words is "two billion, six hundred eighty-five million, three hundred sixteen thousand, seven hundred seventy-seven".