866432085443 has 2 divisors, whose sum is σ = 866432085444. Its totient is φ = 866432085442.

The previous prime is 866432085401. The next prime is 866432085473. The reversal of 866432085443 is 344580234668.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 866432085443 - 2⁸ = 866432085187 is a prime.

It is a super-3 number, since 3×866432085443³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (866432085473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433216042721 + 433216042722.

It is an arithmetic number, because the mean of its divisors is an integer number (433216042722).

Almost surely, 2^866432085443 is an apocalyptic number.

866432085443 is a deficient number, since it is larger than the sum of its proper divisors (1).

866432085443 is an equidigital number, since it uses as much as digits as its factorization.

866432085443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13271040, while the sum is 53.

The spelling of 866432085443 in words is "eight hundred sixty-six billion, four hundred thirty-two million, eighty-five thousand, four hundred forty-three".