2768840393 has 8 divisors (see below), whose sum is σ = 3024470016. Its totient is φ = 2513863600.

The previous prime is 2768840383. The next prime is 2768840419. The reversal of 2768840393 is 3930488672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2768840393 - 2¹² = 2768836297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2768840353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154313 + ... + 171318.

It is an arithmetic number, because the mean of its divisors is an integer number (378058752).

Almost surely, 2^2768840393 is an apocalyptic number.

It is an amenable number.

2768840393 is a deficient number, since it is larger than the sum of its proper divisors (255629623).

2768840393 is a wasteful number, since it uses less digits than its factorization.

2768840393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326415.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The square root of 2768840393 is about 52619.7718828199. The cubic root of 2768840393 is about 1404.2118725893.

The spelling of 2768840393 in words is "two billion, seven hundred sixty-eight million, eight hundred forty thousand, three hundred ninety-three".