871639551207 has 32 divisors (see below), whose sum is σ = 1363315699200. Its totient is φ = 548875522944.

The previous prime is 871639551199. The next prime is 871639551227. The reversal of 871639551207 is 702155936178.

871639551207 is a `hidden beast` number, since 8 + 7 + 1 + 63 + 9 + 551 + 20 + 7 = 666.

871639551207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 871639551207 - 2³ = 871639551199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871639551227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2348043 + ... + 2693804.

It is an arithmetic number, because the mean of its divisors is an integer number (42603615600).

Almost surely, 2^871639551207 is an apocalyptic number.

871639551207 is a deficient number, since it is larger than the sum of its proper divisors (491676147993).

871639551207 is a wasteful number, since it uses less digits than its factorization.

871639551207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042212 (or 5042206 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 54.

The spelling of 871639551207 in words is "eight hundred seventy-one billion, six hundred thirty-nine million, five hundred fifty-one thousand, two hundred seven".