82275489 has 12 divisors (see below), whose sum is σ = 119934100. Its totient is φ = 54346464.

The previous prime is 82275443. The next prime is 82275499. The reversal of 82275489 is 98457228.

82275489 is a `hidden beast` number, since 82 + 27 + 548 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31979025 + 50296464 = 5655^2 + 7092^2 .

It is not a de Polignac number, because 82275489 - 2⁹ = 82274977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82275409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40954 + ... + 42915.

Almost surely, 2^82275489 is an apocalyptic number.

It is an amenable number.

82275489 is a deficient number, since it is larger than the sum of its proper divisors (37658611).

82275489 is a wasteful number, since it uses less digits than its factorization.

82275489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83984 (or 83981 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 82275489 is about 9070.5837188132. The cubic root of 82275489 is about 434.9341319213.

The spelling of 82275489 in words is "eighty-two million, two hundred seventy-five thousand, four hundred eighty-nine".