7987222485 has 160 divisors (see below), whose sum is σ = 16290046080. Its totient is φ = 3708633600.

The previous prime is 7987222459. The next prime is 7987222487. The reversal of 7987222485 is 5842227897.

7987222485 is a `hidden beast` number, since 7 + 98 + 72 + 2 + 2 + 485 = 666.

7987222485 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7987222485 - 2⁹ = 7987221973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7987222487) 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 159 ways as a sum of consecutive naturals, for example, 27259999 + ... + 27260291.

It is an arithmetic number, because the mean of its divisors is an integer number (101812788).

Almost surely, 2^7987222485 is an apocalyptic number.

It is an amenable number.

7987222485 is an abundant number, since it is smaller than the sum of its proper divisors (8302823595).

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

7987222485 is a wasteful number, since it uses less digits than its factorization.

7987222485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 552 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 7987222485 is about 89371.2620756807. The cubic root of 7987222485 is about 1998.9346396878.

The spelling of 7987222485 in words is "seven billion, nine hundred eighty-seven million, two hundred twenty-two thousand, four hundred eighty-five".