871659450215 has 32 divisors (see below), whose sum is σ = 1085816793600. Its totient is φ = 671254496640.

The previous prime is 871659450199. The next prime is 871659450239. The reversal of 871659450215 is 512054956178.

It is not a de Polignac number, because 871659450215 - 2⁴ = 871659450199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44854121 + ... + 44873549.

It is an arithmetic number, because the mean of its divisors is an integer number (33931774800).

Almost surely, 2^871659450215 is an apocalyptic number.

871659450215 is a deficient number, since it is larger than the sum of its proper divisors (214157343385).

871659450215 is a wasteful number, since it uses less digits than its factorization.

871659450215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22487.

The product of its (nonzero) digits is 3024000, while the sum is 53.

The spelling of 871659450215 in words is "eight hundred seventy-one billion, six hundred fifty-nine million, four hundred fifty thousand, two hundred fifteen".