871552324285 has 8 divisors (see below), whose sum is σ = 1048497206616. Its totient is φ = 695485581120.

The previous prime is 871552324261. The next prime is 871552324303. The reversal of 871552324285 is 582423255178.

871552324285 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 153529965241 + 718022359044 = 391829^2 + 847362^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 871552324285 - 2⁹ = 871552323773 is a prime.

It is a super-2 number, since 2×871552324285² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 219532606 + ... + 219536575.

It is an arithmetic number, because the mean of its divisors is an integer number (131062150827).

Almost surely, 2^871552324285 is an apocalyptic number.

It is an amenable number.

871552324285 is a deficient number, since it is larger than the sum of its proper divisors (176944882331).

871552324285 is a wasteful number, since it uses less digits than its factorization.

871552324285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439069583.

The product of its digits is 5376000, while the sum is 52.

The spelling of 871552324285 in words is "eight hundred seventy-one billion, five hundred fifty-two million, three hundred twenty-four thousand, two hundred eighty-five".