871203687322 has 4 divisors (see below), whose sum is σ = 1306805530986. Its totient is φ = 435601843660.

The previous prime is 871203687317. The next prime is 871203687329. The reversal of 871203687322 is 223786302178.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223786302178 = 2 ⋅111893151089.

It can be written as a sum of positive squares in only one way, i.e., 630386772961 + 240816914361 = 793969^2 + 490731^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (871203687329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217800921829 + ... + 217800921832.

Almost surely, 2^871203687322 is an apocalyptic number.

871203687322 is a deficient number, since it is larger than the sum of its proper divisors (435601843664).

871203687322 is a wasteful number, since it uses less digits than its factorization.

871203687322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435601843663.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 871203687322 in words is "eight hundred seventy-one billion, two hundred three million, six hundred eighty-seven thousand, three hundred twenty-two".