663314783 has 2 divisors, whose sum is σ = 663314784. Its totient is φ = 663314782.

The previous prime is 663314737. The next prime is 663314803. The reversal of 663314783 is 387413366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 663314783 - 2⁸ = 663314527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 663314783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663314083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331657391 + 331657392.

It is an arithmetic number, because the mean of its divisors is an integer number (331657392).

Almost surely, 2^663314783 is an apocalyptic number.

663314783 is a deficient number, since it is larger than the sum of its proper divisors (1).

663314783 is an equidigital number, since it uses as much as digits as its factorization.

663314783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 41.

The square root of 663314783 is about 25754.8982331517. The cubic root of 663314783 is about 872.1139341176.

The spelling of 663314783 in words is "six hundred sixty-three million, three hundred fourteen thousand, seven hundred eighty-three".