8720285562 has 24 divisors (see below), whose sum is σ = 19888371360. Its totient is φ = 2753774280.

The previous prime is 8720285549. The next prime is 8720285579. The reversal of 8720285562 is 2655820278.

8720285562 is a `hidden beast` number, since 8 + 7 + 2 + 0 + 2 + 85 + 562 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12748614 + ... + 12749297.

It is an arithmetic number, because the mean of its divisors is an integer number (828682140).

Almost surely, 2^8720285562 is an apocalyptic number.

8720285562 is an abundant number, since it is smaller than the sum of its proper divisors (11168085798).

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

8720285562 is a wasteful number, since it uses less digits than its factorization.

8720285562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25497938 (or 25497935 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 8720285562 is about 93382.4692434292. The cubic root of 8720285562 is about 2058.3074010920.

The spelling of 8720285562 in words is "eight billion, seven hundred twenty million, two hundred eighty-five thousand, five hundred sixty-two".