871057333143448 has 32 divisors (see below), whose sum is σ = 1781720451945360. Its totient is φ = 395932424647680.

The previous prime is 871057333143427. The next prime is 871057333143463. The reversal of 871057333143448 is 844341333750178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21206865 + ... + 46817152.

Almost surely, 2^{871057333143448} is an apocalyptic number.

871057333143448 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

871057333143448 is an abundant number, since it is smaller than the sum of its proper divisors (910663118801912).

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

871057333143448 is a wasteful number, since it uses less digits than its factorization.

871057333143448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68169547 (or 68169543 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 61.

The spelling of 871057333143448 in words is "eight hundred seventy-one trillion, fifty-seven billion, three hundred thirty-three million, one hundred forty-three thousand, four hundred forty-eight".