263796787783 has 2 divisors, whose sum is σ = 263796787784. Its totient is φ = 263796787782.

The previous prime is 263796787729. The next prime is 263796787861. The reversal of 263796787783 is 387787697362.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263796787783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263796727783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131898393891 + 131898393892.

It is an arithmetic number, because the mean of its divisors is an integer number (131898393892).

Almost surely, 2^263796787783 is an apocalyptic number.

263796787783 is a deficient number, since it is larger than the sum of its proper divisors (1).

263796787783 is an equidigital number, since it uses as much as digits as its factorization.

263796787783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896168448, while the sum is 73.

The spelling of 263796787783 in words is "two hundred sixty-three billion, seven hundred ninety-six million, seven hundred eighty-seven thousand, seven hundred eighty-three".