871031788724406 has 16 divisors (see below), whose sum is σ = 1784552932996848. Its totient is φ = 283262370316800.

The previous prime is 871031788724381. The next prime is 871031788724417. The reversal of 871031788724406 is 604427887130178.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770389814235 + ... + 1770389814726.

It is an arithmetic number, because the mean of its divisors is an integer number (111534558312303).

Almost surely, 2^{871031788724406} is an apocalyptic number.

871031788724406 is an abundant number, since it is smaller than the sum of its proper divisors (913521144272442).

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

871031788724406 is a wasteful number, since it uses less digits than its factorization.

871031788724406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540779629007.

The product of its (nonzero) digits is 101154816, while the sum is 66.

The spelling of 871031788724406 in words is "eight hundred seventy-one trillion, thirty-one billion, seven hundred eighty-eight million, seven hundred twenty-four thousand, four hundred six".