871480575452278 has 32 divisors (see below), whose sum is σ = 1429192883589120. Its totient is φ = 395257140468960.

The previous prime is 871480575452239. The next prime is 871480575452287. The reversal of 871480575452278 is 872254575084178.

It is a self number, because there is not a number n which added to its sum of digits gives 871480575452278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181628875 + ... + 186365257.

It is an arithmetic number, because the mean of its divisors is an integer number (44662277612160).

Almost surely, 2^{871480575452278} is an apocalyptic number.

871480575452278 is a deficient number, since it is larger than the sum of its proper divisors (557712308136842).

871480575452278 is a wasteful number, since it uses less digits than its factorization.

871480575452278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754772.

The product of its (nonzero) digits is 1404928000, while the sum is 73.

The spelling of 871480575452278 in words is "eight hundred seventy-one trillion, four hundred eighty billion, five hundred seventy-five million, four hundred fifty-two thousand, two hundred seventy-eight".