7987543224653 has 16 divisors (see below), whose sum is σ = 8126504755200. Its totient is φ = 7849785401136.

The previous prime is 7987543224649. The next prime is 7987543224767. The reversal of 7987543224653 is 3564223457897.

It is a cyclic number.

It is not a de Polignac number, because 7987543224653 - 2² = 7987543224649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7987543224653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7987543214653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167433398 + ... + 167481096.

It is an arithmetic number, because the mean of its divisors is an integer number (507906547200).

Almost surely, 2^{7987543224653} is an apocalyptic number.

It is an amenable number.

7987543224653 is a deficient number, since it is larger than the sum of its proper divisors (138961530547).

7987543224653 is a wasteful number, since it uses less digits than its factorization.

7987543224653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60256.

The product of its digits is 304819200, while the sum is 65.

The spelling of 7987543224653 in words is "seven trillion, nine hundred eighty-seven billion, five hundred forty-three million, two hundred twenty-four thousand, six hundred fifty-three".