28081350793635 has 64 divisors (see below), whose sum is σ = 46259676303360. Its totient is φ = 14535590952960.

The previous prime is 28081350793633. The next prime is 28081350793651. The reversal of 28081350793635 is 53639705318082.

It is a happy number.

It is not a de Polignac number, because 28081350793635 - 2¹ = 28081350793633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28081350793633) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 840515811 + ... + 840549219.

It is an arithmetic number, because the mean of its divisors is an integer number (722807442240).

Almost surely, 2^{28081350793635} is an apocalyptic number.

28081350793635 is a deficient number, since it is larger than the sum of its proper divisors (18178325509725).

28081350793635 is a wasteful number, since it uses less digits than its factorization.

28081350793635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37188.

The product of its (nonzero) digits is 32659200, while the sum is 60.

The spelling of 28081350793635 in words is "twenty-eight trillion, eighty-one billion, three hundred fifty million, seven hundred ninety-three thousand, six hundred thirty-five".