28984528105927 has 4 divisors (see below), whose sum is σ = 28984589764200. Its totient is φ = 28984466447656.

The previous prime is 28984528105913. The next prime is 28984528105931. The reversal of 28984528105927 is 72950182548982.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28984528105927 - 2¹¹ = 28984528103879 is a prime.

It is a super-2 number, since 2×28984528105927² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28984528115927) 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, 30118552 + ... + 31065997.

It is an arithmetic number, because the mean of its divisors is an integer number (7246147441050).

Almost surely, 2^{28984528105927} is an apocalyptic number.

28984528105927 is a deficient number, since it is larger than the sum of its proper divisors (61658273).

28984528105927 is an equidigital number, since it uses as much as digits as its factorization.

28984528105927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61658272.

The product of its (nonzero) digits is 232243200, while the sum is 70.

The spelling of 28984528105927 in words is "twenty-eight trillion, nine hundred eighty-four billion, five hundred twenty-eight million, one hundred five thousand, nine hundred twenty-seven".