871652422278 has 24 divisors (see below), whose sum is σ = 2060269362216. Its totient is φ = 264137097600.

The previous prime is 871652422273. The next prime is 871652422327. The reversal of 871652422278 is 872224256178.

It is a happy number.

871652422278 is a `hidden beast` number, since 8 + 71 + 6 + 524 + 22 + 27 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871652422273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2201142283 + ... + 2201142678.

It is an arithmetic number, because the mean of its divisors is an integer number (85844556759).

Almost surely, 2^871652422278 is an apocalyptic number.

871652422278 is an abundant number, since it is smaller than the sum of its proper divisors (1188616939938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871652422278 is a wasteful number, since it uses less digits than its factorization.

871652422278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402284980 (or 4402284977 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The spelling of 871652422278 in words is "eight hundred seventy-one billion, six hundred fifty-two million, four hundred twenty-two thousand, two hundred seventy-eight".