8685884257 has 8 divisors (see below), whose sum is σ = 9153950400. Its totient is φ = 8218909584.

The previous prime is 8685884191. The next prime is 8685884281. The reversal of 8685884257 is 7524885868.

8685884257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8685884257 - 2¹¹ = 8685882209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8685884195 and 8685884204.

It is not an unprimeable number, because it can be changed into a prime (8685884357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256498 + ... + 288379.

It is an arithmetic number, because the mean of its divisors is an integer number (1144243800).

Almost surely, 2^8685884257 is an apocalyptic number.

It is an amenable number.

8685884257 is a deficient number, since it is larger than the sum of its proper divisors (468066143).

8685884257 is a wasteful number, since it uses less digits than its factorization.

8685884257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545735.

The product of its digits is 34406400, while the sum is 61.

The square root of 8685884257 is about 93198.0914879699. The cubic root of 8685884257 is about 2055.5971772383.

The spelling of 8685884257 in words is "eight billion, six hundred eighty-five million, eight hundred eighty-four thousand, two hundred fifty-seven".