8529773245 has 24 divisors (see below), whose sum is σ = 11910903768. Its totient is φ = 5847004800.

The previous prime is 8529773243. The next prime is 8529773269. The reversal of 8529773245 is 5423779258.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 404733924 + 8125039321 = 20118^2 + 90139^2 .

It is not a de Polignac number, because 8529773245 - 2¹ = 8529773243 is a prime.

It is a super-3 number, since 3×8529773245³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8529773192 and 8529773201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8529773243) 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, 1423155 + ... + 1429135.

It is an arithmetic number, because the mean of its divisors is an integer number (496287657).

Almost surely, 2^8529773245 is an apocalyptic number.

It is an amenable number.

8529773245 is a deficient number, since it is larger than the sum of its proper divisors (3381130523).

8529773245 is a wasteful number, since it uses less digits than its factorization.

8529773245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11821 (or 11814 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 52.

The square root of 8529773245 is about 92356.7715167654. The cubic root of 8529773245 is about 2043.2076000549.

The spelling of 8529773245 in words is "eight billion, five hundred twenty-nine million, seven hundred seventy-three thousand, two hundred forty-five".