82316089 has 2 divisors, whose sum is σ = 82316090. Its totient is φ = 82316088.

The previous prime is 82316053. The next prime is 82316099. The reversal of 82316089 is 98061328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67815225 + 14500864 = 8235^2 + 3808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82316089 is a prime.

It is not a weakly prime, because it can be changed into another prime (82316099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41158044 + 41158045.

It is an arithmetic number, because the mean of its divisors is an integer number (41158045).

Almost surely, 2^82316089 is an apocalyptic number.

It is an amenable number.

82316089 is a deficient number, since it is larger than the sum of its proper divisors (1).

82316089 is an equidigital number, since it uses as much as digits as its factorization.

82316089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 82316089 is about 9072.8214464961. The cubic root of 82316089 is about 435.0056616165.

The spelling of 82316089 in words is "eighty-two million, three hundred sixteen thousand, eighty-nine".