871032072665534 has 64 divisors (see below), whose sum is σ = 1483281314948160. Its totient is φ = 380297107814400.

The previous prime is 871032072665483. The next prime is 871032072665581. The reversal of 871032072665534 is 435566270230178.

It is a super-2 number, since 2×871032072665534² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13274455094 + ... + 13274520710.

It is an arithmetic number, because the mean of its divisors is an integer number (23176270546065).

Almost surely, 2^{871032072665534} is an apocalyptic number.

871032072665534 is a deficient number, since it is larger than the sum of its proper divisors (612249242282626).

871032072665534 is a wasteful number, since it uses less digits than its factorization.

871032072665534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104685.

The product of its (nonzero) digits is 50803200, while the sum is 59.

The spelling of 871032072665534 in words is "eight hundred seventy-one trillion, thirty-two billion, seventy-two million, six hundred sixty-five thousand, five hundred thirty-four".