871573008651 has 8 divisors (see below), whose sum is σ = 1212623316480. Its totient is φ = 555785686632.

The previous prime is 871573008643. The next prime is 871573008661. The reversal of 871573008651 is 156800375178.

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

It is not a de Polignac number, because 871573008651 - 2³ = 871573008643 is a prime.

It is a super-2 number, since 2×871573008651² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 871573008594 and 871573008603.

It is not an unprimeable number, because it can be changed into a prime (871573008661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6315746371 + ... + 6315746508.

It is an arithmetic number, because the mean of its divisors is an integer number (151577914560).

Almost surely, 2^871573008651 is an apocalyptic number.

871573008651 is a deficient number, since it is larger than the sum of its proper divisors (341050307829).

871573008651 is a wasteful number, since it uses less digits than its factorization.

871573008651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12631492905.

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 871573008651 in words is "eight hundred seventy-one billion, five hundred seventy-three million, eight thousand, six hundred fifty-one".