28105330696 has 16 divisors (see below), whose sum is σ = 52727685840. Its totient is φ = 14044614480.

The previous prime is 28105330637. The next prime is 28105330697. The reversal of 28105330696 is 69603350182.

It is a super-2 number, since 2×28105330696² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28105330697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991510 + ... + 1019461.

It is an arithmetic number, because the mean of its divisors is an integer number (3295480365).

Almost surely, 2^28105330696 is an apocalyptic number.

It is an amenable number.

28105330696 is a deficient number, since it is larger than the sum of its proper divisors (24622355144).

28105330696 is a wasteful number, since it uses less digits than its factorization.

28105330696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012724 (or 2012720 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

It can be divided in two parts, 28105 and 330696, that added together give a square (358801 = 599²).

The spelling of 28105330696 in words is "twenty-eight billion, one hundred five million, three hundred thirty thousand, six hundred ninety-six".