6874257285 has 288 divisors, whose sum is σ = 15479193600. Its totient is φ = 2802159360.

The previous prime is 6874257283. The next prime is 6874257289. The reversal of 6874257285 is 5827524786.

6874257285 is a `hidden beast` number, since 68 + 7 + 4 + 2 + 572 + 8 + 5 = 666.

It is not a de Polignac number, because 6874257285 - 2¹ = 6874257283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6874257283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 87015876 + ... + 87015954.

It is an arithmetic number, because the mean of its divisors is an integer number (53747200).

Almost surely, 2^6874257285 is an apocalyptic number.

It is an amenable number.

6874257285 is an abundant number, since it is smaller than the sum of its proper divisors (8604936315).

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

6874257285 is a wasteful number, since it uses less digits than its factorization.

6874257285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 211 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 54.

The square root of 6874257285 is about 82911.1408979517. The cubic root of 6874257285 is about 1901.4077549491.

The spelling of 6874257285 in words is "six billion, eight hundred seventy-four million, two hundred fifty-seven thousand, two hundred eighty-five".