800000088089 has 2 divisors, whose sum is σ = 800000088090. Its totient is φ = 800000088088.

The previous prime is 800000088079. The next prime is 800000088127. The reversal of 800000088089 is 980880000008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 733018507225 + 66981580864 = 856165^2 + 258808^2 .

It is a cyclic number.

It is not a de Polignac number, because 800000088089 - 2¹⁶ = 800000022553 is a prime.

It is not a weakly prime, because it can be changed into another prime (800000088079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400000044044 + 400000044045.

It is an arithmetic number, because the mean of its divisors is an integer number (400000044045).

Almost surely, 2^800000088089 is an apocalyptic number.

It is an amenable number.

800000088089 is a deficient number, since it is larger than the sum of its proper divisors (1).

800000088089 is an equidigital number, since it uses as much as digits as its factorization.

800000088089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 41.

The spelling of 800000088089 in words is "eight hundred billion, eighty-eight thousand, eighty-nine".