87168623895 has 24 divisors (see below), whose sum is σ = 151115870256. Its totient is φ = 46482674688.

The previous prime is 87168623809. The next prime is 87168623911. The reversal of 87168623895 is 59832686178.

It is not a de Polignac number, because 87168623895 - 2⁷ = 87168623767 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 146679 + ... + 442551.

It is an arithmetic number, because the mean of its divisors is an integer number (6296494594).

Almost surely, 2^87168623895 is an apocalyptic number.

87168623895 is a deficient number, since it is larger than the sum of its proper divisors (63947246361).

87168623895 is a wasteful number, since it uses less digits than its factorization.

87168623895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302431 (or 302428 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 87168623895 in words is "eighty-seven billion, one hundred sixty-eight million, six hundred twenty-three thousand, eight hundred ninety-five".