2768417685 has 36 divisors (see below), whose sum is σ = 5274494316. Its totient is φ = 1342260480.

The previous prime is 2768417681. The next prime is 2768417761. The reversal of 2768417685 is 5867148672.

It can be written as a sum of positive squares in 2 ways, for example, as 2189678436 + 578739249 = 46794^2 + 24057^2 .

It is not a de Polignac number, because 2768417685 - 2² = 2768417681 is a prime.

It is a super-4 number, since 4×2768417685⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2768417681) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 248772 + ... + 259661.

It is an arithmetic number, because the mean of its divisors is an integer number (146513731).

Almost surely, 2^2768417685 is an apocalyptic number.

It is an amenable number.

2768417685 is a deficient number, since it is larger than the sum of its proper divisors (2506076631).

2768417685 is a wasteful number, since it uses less digits than its factorization.

2768417685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508466 (or 508452 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 2768417685 is about 52615.7551024406. The cubic root of 2768417685 is about 1404.1404104467.

It can be divided in two parts, 27684 and 17685, that added together give a square (45369 = 213²).

The spelling of 2768417685 in words is "two billion, seven hundred sixty-eight million, four hundred seventeen thousand, six hundred eighty-five".