871063433232642 has 120 divisors (see below), whose sum is σ = 2129650887537360. Its totient is φ = 265973566304160.

The previous prime is 871063433232583. The next prime is 871063433232679. The reversal of 871063433232642 is 246232334360178.

871063433232642 is a `hidden beast` number, since 8 + 7 + 1 + 0 + 6 + 343 + 3 + 232 + 64 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 117849292 + ... + 125022327.

It is an arithmetic number, because the mean of its divisors is an integer number (17747090729478).

Almost surely, 2^{871063433232642} is an apocalyptic number.

871063433232642 is an abundant number, since it is smaller than the sum of its proper divisors (1258587454304718).

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

871063433232642 is a wasteful number, since it uses less digits than its factorization.

871063433232642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242871790 (or 242871768 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 54.

The spelling of 871063433232642 in words is "eight hundred seventy-one trillion, sixty-three billion, four hundred thirty-three million, two hundred thirty-two thousand, six hundred forty-two".