8720284027 has 16 divisors (see below), whose sum is σ = 10734962112. Its totient is φ = 6898083840.

The previous prime is 8720284019. The next prime is 8720284043. The reversal of 8720284027 is 7204820278.

It is a cyclic number.

It is not a de Polignac number, because 8720284027 - 2³ = 8720284019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8720284057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641283 + ... + 654739.

It is an arithmetic number, because the mean of its divisors is an integer number (670935132).

Almost surely, 2^8720284027 is an apocalyptic number.

8720284027 is a deficient number, since it is larger than the sum of its proper divisors (2014678085).

8720284027 is a wasteful number, since it uses less digits than its factorization.

8720284027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20598.

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 8720284027 is about 93382.4610245414. The cubic root of 8720284027 is about 2058.3072803199.

The spelling of 8720284027 in words is "eight billion, seven hundred twenty million, two hundred eighty-four thousand, twenty-seven".