28318034286 has 48 divisors (see below), whose sum is σ = 65753779104. Its totient is φ = 8784908352.

The previous prime is 28318034281. The next prime is 28318034293. The reversal of 28318034286 is 68243081382.

28318034286 is a `hidden beast` number, since 28 + 318 + 0 + 34 + 286 = 666.

It is a super-2 number, since 2×28318034286² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28318034281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 909021 + ... + 939656.

It is an arithmetic number, because the mean of its divisors is an integer number (1369870398).

Almost surely, 2^28318034286 is an apocalyptic number.

28318034286 is an abundant number, since it is smaller than the sum of its proper divisors (37435744818).

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

28318034286 is a wasteful number, since it uses less digits than its factorization.

28318034286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848745 (or 1848742 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 28318034286 in words is "twenty-eight billion, three hundred eighteen million, thirty-four thousand, two hundred eighty-six".