2768427771 has 4 divisors (see below), whose sum is σ = 3691237032. Its totient is φ = 1845618512.

The previous prime is 2768427743. The next prime is 2768427791. The reversal of 2768427771 is 1777248672.

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 2768427771 - 2⁷ = 2768427643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2768427791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461404626 + ... + 461404631.

It is an arithmetic number, because the mean of its divisors is an integer number (922809258).

Almost surely, 2^2768427771 is an apocalyptic number.

2768427771 is a deficient number, since it is larger than the sum of its proper divisors (922809261).

2768427771 is an equidigital number, since it uses as much as digits as its factorization.

2768427771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922809260.

The product of its digits is 1843968, while the sum is 51.

The square root of 2768427771 is about 52615.8509481696. The cubic root of 2768427771 is about 1404.1421156498.

It can be divided in two parts, 27684 and 27771, that added together give a palindrome (55455).

The spelling of 2768427771 in words is "two billion, seven hundred sixty-eight million, four hundred twenty-seven thousand, seven hundred seventy-one".