86225089 has 2 divisors, whose sum is σ = 86225090. Its totient is φ = 86225088.

The previous prime is 86224993. The next prime is 86225099. The reversal of 86225089 is 98052268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74528689 + 11696400 = 8633^2 + 3420^2 .

It is a cyclic number.

It is not a de Polignac number, because 86225089 - 2¹⁷ = 86094017 is a prime.

It is not a weakly prime, because it can be changed into another prime (86225099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43112544 + 43112545.

It is an arithmetic number, because the mean of its divisors is an integer number (43112545).

Almost surely, 2^86225089 is an apocalyptic number.

It is an amenable number.

86225089 is a deficient number, since it is larger than the sum of its proper divisors (1).

86225089 is an equidigital number, since it uses as much as digits as its factorization.

86225089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 86225089 is about 9285.7465504934. The cubic root of 86225089 is about 441.7852553201.

The spelling of 86225089 in words is "eighty-six million, two hundred twenty-five thousand, eighty-nine".