28280532536834 has 16 divisors (see below), whose sum is σ = 44681896118880. Its totient is φ = 13387514620320.

The previous prime is 28280532536797. The next prime is 28280532536909. The reversal of 28280532536834 is 43863523508282.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236803619 + ... + 236923014.

It is an arithmetic number, because the mean of its divisors is an integer number (2792618507430).

Almost surely, 2^{28280532536834} is an apocalyptic number.

28280532536834 is a deficient number, since it is larger than the sum of its proper divisors (16401363582046).

28280532536834 is a wasteful number, since it uses less digits than its factorization.

28280532536834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473728225.

The product of its (nonzero) digits is 66355200, while the sum is 59.

The spelling of 28280532536834 in words is "twenty-eight trillion, two hundred eighty billion, five hundred thirty-two million, five hundred thirty-six thousand, eight hundred thirty-four".