871287951356 has 12 divisors (see below), whose sum is σ = 1529278409568. Its totient is φ = 434351262912.

The previous prime is 871287951349. The next prime is 871287951403. The reversal of 871287951356 is 653159782178.

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, 323176676 + ... + 323179371.

It is an arithmetic number, because the mean of its divisors is an integer number (127439867464).

Almost surely, 2^871287951356 is an apocalyptic number.

It is an amenable number.

871287951356 is a deficient number, since it is larger than the sum of its proper divisors (657990458212).

871287951356 is a wasteful number, since it uses less digits than its factorization.

871287951356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646356388 (or 646356386 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 62.

The spelling of 871287951356 in words is "eight hundred seventy-one billion, two hundred eighty-seven million, nine hundred fifty-one thousand, three hundred fifty-six".