938387563 has 2 divisors, whose sum is σ = 938387564. Its totient is φ = 938387562.

The previous prime is 938387533. The next prime is 938387579. The reversal of 938387563 is 365783839.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 938387563 - 2¹⁷ = 938256491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 938387563.

It is not a weakly prime, because it can be changed into another prime (938387503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469193781 + 469193782.

It is an arithmetic number, because the mean of its divisors is an integer number (469193782).

Almost surely, 2^938387563 is an apocalyptic number.

938387563 is a deficient number, since it is larger than the sum of its proper divisors (1).

938387563 is an equidigital number, since it uses as much as digits as its factorization.

938387563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The square root of 938387563 is about 30633.1121990568. The cubic root of 938387563 is about 979.0256743552.

The spelling of 938387563 in words is "nine hundred thirty-eight million, three hundred eighty-seven thousand, five hundred sixty-three".