2797783 has 2 divisors, whose sum is σ = 2797784. Its totient is φ = 2797782.

The previous prime is 2797757. The next prime is 2797793. The reversal of 2797783 is 3877972.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2797783 is a prime.

2797783 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2797723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1398891 + 1398892.

It is an arithmetic number, because the mean of its divisors is an integer number (1398892).

2^2797783 is an apocalyptic number.

2797783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2797783 is an equidigital number, since it uses as much as digits as its factorization.

2797783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148176, while the sum is 43.

The square root of 2797783 is about 1672.6574664288. The cubic root of 2797783 is about 140.9087651492.

The spelling of 2797783 in words is "two million, seven hundred ninety-seven thousand, seven hundred eighty-three".