8748728289 has 24 divisors (see below), whose sum is σ = 14640193152. Its totient is φ = 4930787520.

The previous prime is 8748728281. The next prime is 8748728311. The reversal of 8748728289 is 9828278478.

It is not a de Polignac number, because 8748728289 - 2³ = 8748728281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (8748728281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 946557 + ... + 955754.

It is an arithmetic number, because the mean of its divisors is an integer number (610008048).

Almost surely, 2^8748728289 is an apocalyptic number.

It is an amenable number.

8748728289 is a deficient number, since it is larger than the sum of its proper divisors (5891464863).

8748728289 is a wasteful number, since it uses less digits than its factorization.

8748728289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902397 (or 1902394 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 63.

The square root of 8748728289 is about 93534.6368411189. The cubic root of 8748728289 is about 2060.5428148989.

The spelling of 8748728289 in words is "eight billion, seven hundred forty-eight million, seven hundred twenty-eight thousand, two hundred eighty-nine".