63478887443 has 2 divisors, whose sum is σ = 63478887444. Its totient is φ = 63478887442.

The previous prime is 63478887431. The next prime is 63478887491. The reversal of 63478887443 is 34478887436.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63478887443 - 2²⁶ = 63411778579 is a prime.

It is not a weakly prime, because it can be changed into another prime (63478887413) 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, 31739443721 + 31739443722.

It is an arithmetic number, because the mean of its divisors is an integer number (31739443722).

Almost surely, 2^63478887443 is an apocalyptic number.

63478887443 is a deficient number, since it is larger than the sum of its proper divisors (1).

63478887443 is an equidigital number, since it uses as much as digits as its factorization.

63478887443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86704128, while the sum is 62.

The spelling of 63478887443 in words is "sixty-three billion, four hundred seventy-eight million, eight hundred eighty-seven thousand, four hundred forty-three".