28591926935027 has 4 divisors (see below), whose sum is σ = 28601934612696. Its totient is φ = 28581919257360.

The previous prime is 28591926935021. The next prime is 28591926935111. The reversal of 28591926935027 is 72053962919582.

It is a happy number.

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 28591926935027 - 2³⁸ = 28317049028083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28591926935021) 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, 5003834549 + ... + 5003840262.

It is an arithmetic number, because the mean of its divisors is an integer number (7150483653174).

Almost surely, 2^{28591926935027} is an apocalyptic number.

28591926935027 is a deficient number, since it is larger than the sum of its proper divisors (10007677669).

28591926935027 is a wasteful number, since it uses less digits than its factorization.

28591926935027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007677668.

The product of its (nonzero) digits is 146966400, while the sum is 68.

The spelling of 28591926935027 in words is "twenty-eight trillion, five hundred ninety-one billion, nine hundred twenty-six million, nine hundred thirty-five thousand, twenty-seven".