82585671 has 16 divisors (see below), whose sum is σ = 128772864. Its totient is φ = 46093824.

The previous prime is 82585669. The next prime is 82585673. The reversal of 82585671 is 17658528.

It is an interprime number because it is at equal distance from previous prime (82585669) and next prime (82585673).

It is not a de Polignac number, because 82585671 - 2¹ = 82585669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82585673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44826 + ... + 46631.

It is an arithmetic number, because the mean of its divisors is an integer number (8048304).

Almost surely, 2^82585671 is an apocalyptic number.

82585671 is a deficient number, since it is larger than the sum of its proper divisors (46187193).

82585671 is a wasteful number, since it uses less digits than its factorization.

82585671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91510.

The product of its digits is 134400, while the sum is 42.

The square root of 82585671 is about 9087.6658719387. The cubic root of 82585671 is about 435.4800197167.

The spelling of 82585671 in words is "eighty-two million, five hundred eighty-five thousand, six hundred seventy-one".