2768783 has 2 divisors, whose sum is σ = 2768784. Its totient is φ = 2768782.

The previous prime is 2768767. The next prime is 2768789. The reversal of 2768783 is 3878672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2768783 - 2⁴ = 2768767 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2²⁰ + 7 + 6² + 8⁴ + 7⁶ + 8⁴ + 3¹³ .

It is a self number, because there is not a number n which added to its sum of digits gives 2768783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2768789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384391 + 1384392.

It is an arithmetic number, because the mean of its divisors is an integer number (1384392).

2^2768783 is an apocalyptic number.

2768783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2768783 is an equidigital number, since it uses as much as digits as its factorization.

2768783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 41.

The square root of 2768783 is about 1663.9660453266. The cubic root of 2768783 is about 140.4202170274.

The spelling of 2768783 in words is "two million, seven hundred sixty-eight thousand, seven hundred eighty-three".