28526484866 has 8 divisors (see below), whose sum is σ = 46679702544. Its totient is φ = 12966584020.

The previous prime is 28526484821. The next prime is 28526484869. The reversal of 28526484866 is 66848462582.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (28526484869) 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, 648329180 + ... + 648329223.

It is an arithmetic number, because the mean of its divisors is an integer number (5834962818).

Almost surely, 2^28526484866 is an apocalyptic number.

28526484866 is a deficient number, since it is larger than the sum of its proper divisors (18153217678).

28526484866 is a wasteful number, since it uses less digits than its factorization.

28526484866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296658416.

The product of its digits is 35389440, while the sum is 59.

The spelling of 28526484866 in words is "twenty-eight billion, five hundred twenty-six million, four hundred eighty-four thousand, eight hundred sixty-six".