7987069884871 has 32 divisors (see below), whose sum is σ = 10317059260416. Its totient is φ = 6000701292000.

The previous prime is 7987069884847. The next prime is 7987069884877. The reversal of 7987069884871 is 1784889607897.

It is a cyclic number.

It is not a de Polignac number, because 7987069884871 - 2⁹ = 7987069884359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7987069884877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5526685 + ... + 6820438.

It is an arithmetic number, because the mean of its divisors is an integer number (322408101888).

Almost surely, 2^{7987069884871} is an apocalyptic number.

7987069884871 is a deficient number, since it is larger than the sum of its proper divisors (2329989375545).

7987069884871 is a wasteful number, since it uses less digits than its factorization.

7987069884871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12347443.

The product of its (nonzero) digits is 2731180032, while the sum is 82.

The spelling of 7987069884871 in words is "seven trillion, nine hundred eighty-seven billion, sixty-nine million, eight hundred eighty-four thousand, eight hundred seventy-one".