86447822443 has 2 divisors, whose sum is σ = 86447822444. Its totient is φ = 86447822442.

The previous prime is 86447822387. The next prime is 86447822473. The reversal of 86447822443 is 34422874468.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86447822443 - 2⁹ = 86447821931 is a prime.

It is not a weakly prime, because it can be changed into another prime (86447822473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43223911221 + 43223911222.

It is an arithmetic number, because the mean of its divisors is an integer number (43223911222).

Almost surely, 2^86447822443 is an apocalyptic number.

86447822443 is a deficient number, since it is larger than the sum of its proper divisors (1).

86447822443 is an equidigital number, since it uses as much as digits as its factorization.

86447822443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8257536, while the sum is 52.

The spelling of 86447822443 in words is "eighty-six billion, four hundred forty-seven million, eight hundred twenty-two thousand, four hundred forty-three".