871088678661466 has 16 divisors (see below), whose sum is σ = 1383494601594600. Its totient is φ = 409923841753600.

The previous prime is 871088678661457. The next prime is 871088678661473. The reversal of 871088678661466 is 664166876880178.

It can be written as a sum of positive squares in 4 ways, for example, as 859433426049025 + 11655252612441 = 29316095^2 + 3413979^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 871088678661466.

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 7 ways as a sum of consecutive naturals, for example, 59364360 + ... + 72569308.

Almost surely, 2^{871088678661466} is an apocalyptic number.

871088678661466 is a deficient number, since it is larger than the sum of its proper divisors (512405922933134).

871088678661466 is a wasteful number, since it uses less digits than its factorization.

871088678661466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15145169.

The product of its (nonzero) digits is 6242697216, while the sum is 82.

The spelling of 871088678661466 in words is "eight hundred seventy-one trillion, eighty-eight billion, six hundred seventy-eight million, six hundred sixty-one thousand, four hundred sixty-six".