871984463 has 4 divisors (see below), whose sum is σ = 996553680. Its totient is φ = 747415248.

The previous prime is 871984387. The next prime is 871984511. The reversal of 871984463 is 364489178.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364489178 = 2 ⋅182244589.

It is a cyclic number.

It is not a de Polignac number, because 871984463 - 2¹⁰ = 871983439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871984063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62284598 + ... + 62284611.

It is an arithmetic number, because the mean of its divisors is an integer number (249138420).

Almost surely, 2^871984463 is an apocalyptic number.

871984463 is a deficient number, since it is larger than the sum of its proper divisors (124569217).

871984463 is a wasteful number, since it uses less digits than its factorization.

871984463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124569216.

The product of its digits is 1161216, while the sum is 50.

The square root of 871984463 is about 29529.3830446896. The cubic root of 871984463 is about 955.3655620132.

The spelling of 871984463 in words is "eight hundred seventy-one million, nine hundred eighty-four thousand, four hundred sixty-three".