8685213427 has 16 divisors (see below), whose sum is σ = 9561888000. Its totient is φ = 7823321440.

The previous prime is 8685213421. The next prime is 8685213437. The reversal of 8685213427 is 7243125868.

It is a de Polignac number, because none of the positive numbers 2^k-8685213427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8685213421) 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 15 ways as a sum of consecutive naturals, for example, 680418 + ... + 693064.

It is an arithmetic number, because the mean of its divisors is an integer number (597618000).

Almost surely, 2^8685213427 is an apocalyptic number.

8685213427 is a deficient number, since it is larger than the sum of its proper divisors (876674573).

8685213427 is a wasteful number, since it uses less digits than its factorization.

8685213427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13226.

The product of its digits is 645120, while the sum is 46.

The square root of 8685213427 is about 93194.4924713902. The cubic root of 8685213427 is about 2055.5442564412.

The spelling of 8685213427 in words is "eight billion, six hundred eighty-five million, two hundred thirteen thousand, four hundred twenty-seven".