28548453847 has 8 divisors (see below), whose sum is σ = 29553535440. Its totient is φ = 27544749120.

The previous prime is 28548453839. The next prime is 28548453853. The reversal of 28548453847 is 74835484582.

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 28548453847 - 2³ = 28548453839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28548453791 and 28548453800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28548453827) 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, 301929 + ... + 385042.

It is an arithmetic number, because the mean of its divisors is an integer number (3694191930).

Almost surely, 2^28548453847 is an apocalyptic number.

28548453847 is a deficient number, since it is larger than the sum of its proper divisors (1005081593).

28548453847 is a wasteful number, since it uses less digits than its factorization.

28548453847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688433.

The product of its digits is 34406400, while the sum is 58.

The spelling of 28548453847 in words is "twenty-eight billion, five hundred forty-eight million, four hundred fifty-three thousand, eight hundred forty-seven".