82475085 has 72 divisors (see below), whose sum is σ = 169134048. Its totient is φ = 33936000.

The previous prime is 82475077. The next prime is 82475093. The reversal of 82475085 is 58057428.

It is an interprime number because it is at equal distance from previous prime (82475077) and next prime (82475093).

It is not a de Polignac number, because 82475085 - 2³ = 82475077 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 816535 + ... + 816635.

It is an arithmetic number, because the mean of its divisors is an integer number (2349084).

Almost surely, 2^82475085 is an apocalyptic number.

It is an amenable number.

82475085 is an abundant number, since it is smaller than the sum of its proper divisors (86658963).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82475085 is a wasteful number, since it uses less digits than its factorization.

82475085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 82475085 is about 9081.5794331162. The cubic root of 82475085 is about 435.2855569884.

The spelling of 82475085 in words is "eighty-two million, four hundred seventy-five thousand, eighty-five".