28085752751 has 8 divisors (see below), whose sum is σ = 33986121120. Its totient is φ = 22657413888.

The previous prime is 28085752727. The next prime is 28085752753. The reversal of 28085752751 is 15725758082.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28085752751 - 2⁶ = 28085752687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28085752751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28085752753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118007246 + ... + 118007483.

It is an arithmetic number, because the mean of its divisors is an integer number (4248265140).

Almost surely, 2^28085752751 is an apocalyptic number.

28085752751 is a deficient number, since it is larger than the sum of its proper divisors (5900368369).

28085752751 is a wasteful number, since it uses less digits than its factorization.

28085752751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236014753.

The product of its (nonzero) digits is 1568000, while the sum is 50.

The spelling of 28085752751 in words is "twenty-eight billion, eighty-five million, seven hundred fifty-two thousand, seven hundred fifty-one".