87312232873118 has 32 divisors (see below), whose sum is σ = 144378508766688. Its totient is φ = 39269791641600.

The previous prime is 87312232873031. The next prime is 87312232873121. The reversal of 87312232873118 is 81137823221378.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5545208 + ... + 14330868.

It is an arithmetic number, because the mean of its divisors is an integer number (4511828398959).

Almost surely, 2^{87312232873118} is an apocalyptic number.

87312232873118 is a deficient number, since it is larger than the sum of its proper divisors (57066275893570).

87312232873118 is a wasteful number, since it uses less digits than its factorization.

87312232873118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8790428.

The product of its digits is 5419008, while the sum is 56.

The spelling of 87312232873118 in words is "eighty-seven trillion, three hundred twelve billion, two hundred thirty-two million, eight hundred seventy-three thousand, one hundred eighteen".