871287738 has 8 divisors (see below), whose sum is σ = 1742575488. Its totient is φ = 290429244.

The previous prime is 871287721. The next prime is 871287749. The reversal of 871287738 is 837782178.

871287738 is nontrivially palindromic in base 5.

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

871287738 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72607306 + ... + 72607317.

It is an arithmetic number, because the mean of its divisors is an integer number (217821936).

Almost surely, 2^871287738 is an apocalyptic number.

871287738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871287738 is a wasteful number, since it uses less digits than its factorization.

871287738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145214628.

The product of its digits is 1053696, while the sum is 51.

The square root of 871287738 is about 29517.5835393075. The cubic root of 871287738 is about 955.1110450811. Note that the first 3 decimals are identical.

The spelling of 871287738 in words is "eight hundred seventy-one million, two hundred eighty-seven thousand, seven hundred thirty-eight".