82260289 has 8 divisors (see below), whose sum is σ = 83121192. Its totient is φ = 81404160.

The previous prime is 82260281. The next prime is 82260317. The reversal of 82260289 is 98206228.

It can be written as a sum of positive squares in 4 ways, for example, as 27248400 + 55011889 = 5220^2 + 7417^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82260289 - 2³ = 82260281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82260281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40707 + ... + 42679.

It is an arithmetic number, because the mean of its divisors is an integer number (10390149).

Almost surely, 2^82260289 is an apocalyptic number.

It is an amenable number.

82260289 is a deficient number, since it is larger than the sum of its proper divisors (860903).

82260289 is a wasteful number, since it uses less digits than its factorization.

82260289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 82260289 is about 9069.7458068019. The cubic root of 82260289 is about 434.9073462769.

The spelling of 82260289 in words is "eighty-two million, two hundred sixty thousand, two hundred eighty-nine".