85800085728043 has 2 divisors, whose sum is σ = 85800085728044. Its totient is φ = 85800085728042.

The previous prime is 85800085728023. The next prime is 85800085728089. The reversal of 85800085728043 is 34082758000858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85800085728043 - 2⁵ = 85800085728011 is a prime.

It is not a weakly prime, because it can be changed into another prime (85800085728023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42900042864021 + 42900042864022.

It is an arithmetic number, because the mean of its divisors is an integer number (42900042864022).

Almost surely, 2^{85800085728043} is an apocalyptic number.

85800085728043 is a deficient number, since it is larger than the sum of its proper divisors (1).

85800085728043 is an equidigital number, since it uses as much as digits as its factorization.

85800085728043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17203200, while the sum is 58.

The spelling of 85800085728043 in words is "eighty-five trillion, eight hundred billion, eighty-five million, seven hundred twenty-eight thousand, forty-three".