8720530541 has 8 divisors (see below), whose sum is σ = 8910152064. Its totient is φ = 8531079040.

The previous prime is 8720530517. The next prime is 8720530603. The reversal of 8720530541 is 1450350278.

It is a happy number.

8720530541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8720530541 - 2¹⁸ = 8720268397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8720536541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64061 + ... + 146781.

It is an arithmetic number, because the mean of its divisors is an integer number (1113769008).

Almost surely, 2^8720530541 is an apocalyptic number.

It is an amenable number.

8720530541 is a deficient number, since it is larger than the sum of its proper divisors (189621523).

8720530541 is a wasteful number, since it uses less digits than its factorization.

8720530541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85011.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 8720530541 is about 93383.7809311660. The cubic root of 8720530541 is about 2058.3266755895.

The spelling of 8720530541 in words is "eight billion, seven hundred twenty million, five hundred thirty thousand, five hundred forty-one".