8720303525 has 12 divisors (see below), whose sum is σ = 10818206400. Its totient is φ = 6972997680.

The previous prime is 8720303521. The next prime is 8720303569. The reversal of 8720303525 is 5253030278.

It is not a de Polignac number, because 8720303525 - 2² = 8720303521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8720303521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25565 + ... + 134514.

It is an arithmetic number, because the mean of its divisors is an integer number (901517200).

Almost surely, 2^8720303525 is an apocalyptic number.

It is an amenable number.

8720303525 is a deficient number, since it is larger than the sum of its proper divisors (2097902875).

8720303525 is a wasteful number, since it uses less digits than its factorization.

8720303525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162268 (or 162263 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 8720303525 is about 93382.5654231024. The cubic root of 8720303525 is about 2058.3088144001.

The spelling of 8720303525 in words is "eight billion, seven hundred twenty million, three hundred three thousand, five hundred twenty-five".