828085671 has 24 divisors (see below), whose sum is σ = 1411098624. Its totient is φ = 457926480.

The previous prime is 828085669. The next prime is 828085673. The reversal of 828085671 is 176580828.

828085671 is a `hidden beast` number, since 8 + 2 + 80 + 8 + 567 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (828085669) and next prime (828085673).

It is not a de Polignac number, because 828085671 - 2¹ = 828085669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828085673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210051 + ... + 213956.

It is an arithmetic number, because the mean of its divisors is an integer number (58795776).

Almost surely, 2^828085671 is an apocalyptic number.

828085671 is a deficient number, since it is larger than the sum of its proper divisors (583012953).

828085671 is a wasteful number, since it uses less digits than its factorization.

828085671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424051 (or 424048 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 828085671 is about 28776.4777379025. The cubic root of 828085671 is about 939.0565723111.

The spelling of 828085671 in words is "eight hundred twenty-eight million, eighty-five thousand, six hundred seventy-one".