28085635718794 has 16 divisors (see below), whose sum is σ = 42167606576832. Its totient is φ = 14029770349728.

The previous prime is 28085635718779. The next prime is 28085635718797. The reversal of 28085635718794 is 49781753658082.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28085635718797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15296302 + ... + 17033734.

It is an arithmetic number, because the mean of its divisors is an integer number (2635475411052).

It is a 1-persistent number, because it is pandigital, but 2⋅28085635718794 = 56171271437588 is not.

Almost surely, 2^{28085635718794} is an apocalyptic number.

28085635718794 is a deficient number, since it is larger than the sum of its proper divisors (14081970858038).

28085635718794 is a wasteful number, since it uses less digits than its factorization.

28085635718794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744941.

The product of its (nonzero) digits is 812851200, while the sum is 73.

The spelling of 28085635718794 in words is "twenty-eight trillion, eighty-five billion, six hundred thirty-five million, seven hundred eighteen thousand, seven hundred ninety-four".