871102278855668 has 12 divisors (see below), whose sum is σ = 1525314768943812. Its totient is φ = 435298059157440.

The previous prime is 871102278855593. The next prime is 871102278855707. The reversal of 871102278855668 is 866558872201178.

It can be written as a sum of positive squares in 2 ways, for example, as 791066138306404 + 80036140549264 = 28125898^2 + 8946292^2 .

It is a junction number, because it is equal to n+sod(n) for n = 871102278855595 and 871102278855604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63270059855 + ... + 63270073622.

It is an arithmetic number, because the mean of its divisors is an integer number (127109564078651).

Almost surely, 2^{871102278855668} is an apocalyptic number.

It is an amenable number.

871102278855668 is a deficient number, since it is larger than the sum of its proper divisors (654212490088144).

871102278855668 is a wasteful number, since it uses less digits than its factorization.

871102278855668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126540135202 (or 126540135200 counting only the distinct ones).

The product of its (nonzero) digits is 722534400, while the sum is 74.

The spelling of 871102278855668 in words is "eight hundred seventy-one trillion, one hundred two billion, two hundred seventy-eight million, eight hundred fifty-five thousand, six hundred sixty-eight".