82558465 has 16 divisors (see below), whose sum is σ = 108486720. Its totient is φ = 59814720.

The previous prime is 82558459. The next prime is 82558493. The reversal of 82558465 is 56485528.

It is not a de Polignac number, because 82558465 - 2³ = 82558457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12526 + ... + 17944.

It is an arithmetic number, because the mean of its divisors is an integer number (6780420).

Almost surely, 2^82558465 is an apocalyptic number.

It is an amenable number.

82558465 is a deficient number, since it is larger than the sum of its proper divisors (25928255).

82558465 is a wasteful number, since it uses less digits than its factorization.

82558465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712.

The product of its digits is 384000, while the sum is 43.

The square root of 82558465 is about 9086.1688846290. The cubic root of 82558465 is about 435.4321947511.

The spelling of 82558465 in words is "eighty-two million, five hundred fifty-eight thousand, four hundred sixty-five".