28545257733 has 8 divisors (see below), whose sum is σ = 38082062208. Its totient is φ = 19019312544.

The previous prime is 28545257711. The next prime is 28545257747. The reversal of 28545257733 is 33775254582.

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

It is not a de Polignac number, because 28545257733 - 2¹⁷ = 28545126661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28545253733) 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, 2708685 + ... + 2719202.

It is an arithmetic number, because the mean of its divisors is an integer number (4760257776).

Almost surely, 2^28545257733 is an apocalyptic number.

It is an amenable number.

28545257733 is a deficient number, since it is larger than the sum of its proper divisors (9536804475).

28545257733 is a wasteful number, since it uses less digits than its factorization.

28545257733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5429643.

The product of its digits is 7056000, while the sum is 51.

The spelling of 28545257733 in words is "twenty-eight billion, five hundred forty-five million, two hundred fifty-seven thousand, seven hundred thirty-three".