28280753111747 has 8 divisors (see below), whose sum is σ = 28341600198912. Its totient is φ = 28219907259400.

The previous prime is 28280753111623. The next prime is 28280753111749. The reversal of 28280753111747 is 74711135708282.

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 28280753111747 - 2⁸ = 28280753111491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28280753111692 and 28280753111701.

It is not an unprimeable number, because it can be changed into a prime (28280753111749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56946722 + ... + 57441192.

It is an arithmetic number, because the mean of its divisors is an integer number (3542700024864).

Almost surely, 2^{28280753111747} is an apocalyptic number.

28280753111747 is a deficient number, since it is larger than the sum of its proper divisors (60847087165).

28280753111747 is a wasteful number, since it uses less digits than its factorization.

28280753111747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617409.

The product of its (nonzero) digits is 5268480, while the sum is 56.

The spelling of 28280753111747 in words is "twenty-eight trillion, two hundred eighty billion, seven hundred fifty-three million, one hundred eleven thousand, seven hundred forty-seven".