28008052751 has 4 divisors (see below), whose sum is σ = 32009203152. Its totient is φ = 24006902352.

The previous prime is 28008052747. The next prime is 28008052757. The reversal of 28008052751 is 15725080082.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28008052751 - 2² = 28008052747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28008052757) 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 3 ways as a sum of consecutive naturals, for example, 2000575190 + ... + 2000575203.

It is an arithmetic number, because the mean of its divisors is an integer number (8002300788).

Almost surely, 2^28008052751 is an apocalyptic number.

28008052751 is a deficient number, since it is larger than the sum of its proper divisors (4001150401).

28008052751 is an equidigital number, since it uses as much as digits as its factorization.

28008052751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001150400.

The product of its (nonzero) digits is 44800, while the sum is 38.

The spelling of 28008052751 in words is "twenty-eight billion, eight million, fifty-two thousand, seven hundred fifty-one".