28179317000 has 32 divisors (see below), whose sum is σ = 65939604120. Its totient is φ = 11271726400.

The previous prime is 28179316999. The next prime is 28179317009. The reversal of 28179317000 is 71397182.

It can be written as a sum of positive squares in 4 ways, for example, as 17057927236 + 11121389764 = 130606^2 + 105458^2 .

It is not an unprimeable number, because it can be changed into a prime (28179317009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14088659 + ... + 14090658.

Almost surely, 2^28179317000 is an apocalyptic number.

28179317000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28179317000 is an abundant number, since it is smaller than the sum of its proper divisors (37760287120).

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

28179317000 is a wasteful number, since it uses less digits than its factorization.

28179317000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28179338 (or 28179324 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The spelling of 28179317000 in words is "twenty-eight billion, one hundred seventy-nine million, three hundred seventeen thousand".