28084537728466 has 8 divisors (see below), whose sum is σ = 42174300176640. Its totient is φ = 14026437669588.

The previous prime is 28084537728451. The next prime is 28084537728539. The reversal of 28084537728466 is 66482773548082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28084537728466² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28084537728395 and 28084537728404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7915595106 + ... + 7915598653.

It is an arithmetic number, because the mean of its divisors is an integer number (5271787522080).

Almost surely, 2^{28084537728466} is an apocalyptic number.

28084537728466 is a deficient number, since it is larger than the sum of its proper divisors (14089762448174).

28084537728466 is a wasteful number, since it uses less digits than its factorization.

28084537728466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15831194648.

The product of its (nonzero) digits is 867041280, while the sum is 70.

The spelling of 28084537728466 in words is "twenty-eight trillion, eighty-four billion, five hundred thirty-seven million, seven hundred twenty-eight thousand, four hundred sixty-six".