87168855884 has 12 divisors (see below), whose sum is σ = 166413270408. Its totient is φ = 39622207200.

The previous prime is 87168855859. The next prime is 87168855913. The reversal of 87168855884 is 48855886178.

It is a super-2 number, since 2×87168855884² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 990555137 + ... + 990555224.

It is an arithmetic number, because the mean of its divisors is an integer number (13867772534).

Almost surely, 2^87168855884 is an apocalyptic number.

It is an amenable number.

87168855884 is a deficient number, since it is larger than the sum of its proper divisors (79244414524).

87168855884 is a wasteful number, since it uses less digits than its factorization.

87168855884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981110376 (or 1981110374 counting only the distinct ones).

The product of its digits is 137625600, while the sum is 68.

The spelling of 87168855884 in words is "eighty-seven billion, one hundred sixty-eight million, eight hundred fifty-five thousand, eight hundred eighty-four".