28075724463 has 8 divisors (see below), whose sum is σ = 37437118768. Its totient is φ = 18715739904.

The previous prime is 28075724459. The next prime is 28075724513. The reversal of 28075724463 is 36442757082.

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

It is not a de Polignac number, because 28075724463 - 2² = 28075724459 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 (28075722463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305056 + ... + 386277.

It is an arithmetic number, because the mean of its divisors is an integer number (4679639846).

Almost surely, 2^28075724463 is an apocalyptic number.

28075724463 is a deficient number, since it is larger than the sum of its proper divisors (9361394305).

28075724463 is a wasteful number, since it uses less digits than its factorization.

28075724463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704873.

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 28075724463 in words is "twenty-eight billion, seventy-five million, seven hundred twenty-four thousand, four hundred sixty-three".