82016489 has 2 divisors, whose sum is σ = 82016490. Its totient is φ = 82016488.

The previous prime is 82016479. The next prime is 82016497. The reversal of 82016489 is 98461028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52128400 + 29888089 = 7220^2 + 5467^2 .

It is a cyclic number.

It is not a de Polignac number, because 82016489 - 2¹² = 82012393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82016479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41008244 + 41008245.

It is an arithmetic number, because the mean of its divisors is an integer number (41008245).

Almost surely, 2^82016489 is an apocalyptic number.

It is an amenable number.

82016489 is a deficient number, since it is larger than the sum of its proper divisors (1).

82016489 is an equidigital number, since it uses as much as digits as its factorization.

82016489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 82016489 is about 9056.2955450891. The cubic root of 82016489 is about 434.4772670135.

The spelling of 82016489 in words is "eighty-two million, sixteen thousand, four hundred eighty-nine".