87667134668 has 12 divisors (see below), whose sum is σ = 153420414840. Its totient is φ = 43832730432.

The previous prime is 87667134649. The next prime is 87667134689. The reversal of 87667134668 is 86643176678.

It is a self number, because there is not a number n which added to its sum of digits gives 87667134668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66980 + ... + 424052.

It is an arithmetic number, because the mean of its divisors is an integer number (12785034570).

Almost surely, 2^87667134668 is an apocalyptic number.

It is an amenable number.

87667134668 is a deficient number, since it is larger than the sum of its proper divisors (65753280172).

87667134668 is a wasteful number, since it uses less digits than its factorization.

87667134668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418456 (or 418454 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 62.

The spelling of 87667134668 in words is "eighty-seven billion, six hundred sixty-seven million, one hundred thirty-four thousand, six hundred sixty-eight".