8720872552 has 16 divisors (see below), whose sum is σ = 18687584160. Its totient is φ = 3737516784.

The previous prime is 8720872549. The next prime is 8720872553. The reversal of 8720872552 is 2552780278.

8720872552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (8720872553) 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 3 ways as a sum of consecutive naturals, for example, 77864878 + ... + 77864989.

It is an arithmetic number, because the mean of its divisors is an integer number (1167974010).

Almost surely, 2^8720872552 is an apocalyptic number.

It is an amenable number.

8720872552 is an abundant number, since it is smaller than the sum of its proper divisors (9966711608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8720872552 is a wasteful number, since it uses less digits than its factorization.

8720872552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155729880 (or 155729876 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 46.

The square root of 8720872552 is about 93385.6121252091. The cubic root of 8720872552 is about 2058.3535837827.

The spelling of 8720872552 in words is "eight billion, seven hundred twenty million, eight hundred seventy-two thousand, five hundred fifty-two".