871412345244 has 72 divisors (see below), whose sum is σ = 2518524575840. Its totient is φ = 248865063552.

The previous prime is 871412345207. The next prime is 871412345249. The reversal of 871412345244 is 442543214178.

871412345244 is a `hidden beast` number, since 8 + 71 + 4 + 123 + 452 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 871412345244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871412345249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190219 + ... + 1333794.

Almost surely, 2^871412345244 is an apocalyptic number.

871412345244 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

871412345244 is an abundant number, since it is smaller than the sum of its proper divisors (1647112230596).

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

871412345244 is a wasteful number, since it uses less digits than its factorization.

871412345244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526299 (or 1526294 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The spelling of 871412345244 in words is "eight hundred seventy-one billion, four hundred twelve million, three hundred forty-five thousand, two hundred forty-four".