2768791 has 2 divisors, whose sum is σ = 2768792. Its totient is φ = 2768790.

The previous prime is 2768789. The next prime is 2768803. The reversal of 2768791 is 1978672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2768791 - 2¹ = 2768789 is a prime.

Together with 2768789, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2768191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384395 + 1384396.

It is an arithmetic number, because the mean of its divisors is an integer number (1384396).

2^2768791 is an apocalyptic number.

2768791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2768791 is an equidigital number, since it uses as much as digits as its factorization.

2768791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 40.

The square root of 2768791 is about 1663.9684492201. The cubic root of 2768791 is about 140.4203522686.

The spelling of 2768791 in words is "two million, seven hundred sixty-eight thousand, seven hundred ninety-one".