28566740282 has 8 divisors (see below), whose sum is σ = 42852033396. Its totient is φ = 14282729152.

The previous prime is 28566740233. The next prime is 28566740287. The reversal of 28566740282 is 28204766582.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27364107241 + 1202633041 = 165421^2 + 34679^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 28566740282.

It is not an unprimeable number, because it can be changed into a prime (28566740287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262703 + ... + 355170.

Almost surely, 2^28566740282 is an apocalyptic number.

28566740282 is a deficient number, since it is larger than the sum of its proper divisors (14285293114).

28566740282 is a wasteful number, since it uses less digits than its factorization.

28566740282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640992.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 28566740282 in words is "twenty-eight billion, five hundred sixty-six million, seven hundred forty thousand, two hundred eighty-two".