871606024720 has 40 divisors (see below), whose sum is σ = 2030879937240. Its totient is φ = 347886120960.

The previous prime is 871606024697. The next prime is 871606024733. The reversal of 871606024720 is 27420606178.

871606024720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 79192713744 + 792413310976 = 281412^2 + 890176^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11779905 + ... + 11853664.

It is an arithmetic number, because the mean of its divisors is an integer number (50771998431).

Almost surely, 2^871606024720 is an apocalyptic number.

871606024720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

871606024720 is an abundant number, since it is smaller than the sum of its proper divisors (1159273912520).

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

871606024720 is a wasteful number, since it uses less digits than its factorization.

871606024720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23634043 (or 23634037 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 871606024720 in words is "eight hundred seventy-one billion, six hundred six million, twenty-four thousand, seven hundred twenty".