32447438867 has 2 divisors, whose sum is σ = 32447438868. Its totient is φ = 32447438866.

The previous prime is 32447438861. The next prime is 32447438923. The reversal of 32447438867 is 76883474423.

It is an a-pointer prime, because the next prime (32447438923) can be obtained adding 32447438867 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32447438867 - 2¹⁶ = 32447373331 is a prime.

It is not a weakly prime, because it can be changed into another prime (32447438861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16223719433 + 16223719434.

It is an arithmetic number, because the mean of its divisors is an integer number (16223719434).

Almost surely, 2^32447438867 is an apocalyptic number.

32447438867 is a deficient number, since it is larger than the sum of its proper divisors (1).

32447438867 is an equidigital number, since it uses as much as digits as its factorization.

32447438867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21676032, while the sum is 56.

The spelling of 32447438867 in words is "thirty-two billion, four hundred forty-seven million, four hundred thirty-eight thousand, eight hundred sixty-seven".