2788766423 has 2 divisors, whose sum is σ = 2788766424. Its totient is φ = 2788766422.

The previous prime is 2788766371. The next prime is 2788766443. The reversal of 2788766423 is 3246678872.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2788766423 - 2¹⁴ = 2788750039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2788766443) 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 as a sum of consecutive naturals, namely, 1394383211 + 1394383212.

It is an arithmetic number, because the mean of its divisors is an integer number (1394383212).

Almost surely, 2^2788766423 is an apocalyptic number.

2788766423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2788766423 is an equidigital number, since it uses as much as digits as its factorization.

2788766423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5419008, while the sum is 53.

The square root of 2788766423 is about 52808.7722163657. The cubic root of 2788766423 is about 1407.5723063851.

The spelling of 2788766423 in words is "two billion, seven hundred eighty-eight million, seven hundred sixty-six thousand, four hundred twenty-three".