2768859009 has 24 divisors (see below), whose sum is σ = 4613544000. Its totient is φ = 1567414368.

The previous prime is 2768858993. The next prime is 2768859017. The reversal of 2768859009 is 9009588672.

It is a happy number.

It is not a de Polignac number, because 2768859009 - 2⁴ = 2768858993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2768859409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198634 + ... + 212115.

It is an arithmetic number, because the mean of its divisors is an integer number (192231000).

Almost surely, 2^2768859009 is an apocalyptic number.

It is an amenable number.

2768859009 is a deficient number, since it is larger than the sum of its proper divisors (1844684991).

2768859009 is a wasteful number, since it uses less digits than its factorization.

2768859009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410869 (or 410866 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 2768859009 is about 52619.9487742054. The cubic root of 2768859009 is about 1404.2150196046.

The spelling of 2768859009 in words is "two billion, seven hundred sixty-eight million, eight hundred fifty-nine thousand, nine".