28571714286 has 8 divisors (see below), whose sum is σ = 57143428584. Its totient is φ = 9523904760.

The previous prime is 28571714279. The next prime is 28571714287. The reversal of 28571714286 is 68241717582.

It is a happy number.

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

28571714286 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28571714287) 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 3 ways as a sum of consecutive naturals, for example, 2380976185 + ... + 2380976196.

It is an arithmetic number, because the mean of its divisors is an integer number (7142928573).

Almost surely, 2^28571714286 is an apocalyptic number.

28571714286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28571714286 is a wasteful number, since it uses less digits than its factorization.

28571714286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761952386.

The product of its digits is 1505280, while the sum is 51.

It can be divided in two parts, 285717 and 14286, that added together give a palindrome (300003).

The spelling of 28571714286 in words is "twenty-eight billion, five hundred seventy-one million, seven hundred fourteen thousand, two hundred eighty-six".