80888089 has 2 divisors, whose sum is σ = 80888090. Its totient is φ = 80888088.

The previous prime is 80888069. The next prime is 80888141. The reversal of 80888089 is 98088808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65934400 + 14953689 = 8120^2 + 3867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80888089 is a prime.

It is not a weakly prime, because it can be changed into another prime (80888029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40444044 + 40444045.

It is an arithmetic number, because the mean of its divisors is an integer number (40444045).

Almost surely, 2^80888089 is an apocalyptic number.

It is an amenable number.

80888089 is a deficient number, since it is larger than the sum of its proper divisors (1).

80888089 is an equidigital number, since it uses as much as digits as its factorization.

80888089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294912, while the sum is 49.

The square root of 80888089 is about 8993.7805732628. The cubic root of 80888089 is about 432.4755155596.

The spelling of 80888089 in words is "eighty million, eight hundred eighty-eight thousand, eighty-nine".