871424489628 has 288 divisors, whose sum is σ = 2855778831360. Its totient is φ = 217402859520.

The previous prime is 871424489569. The next prime is 871424489629. The reversal of 871424489628 is 826984424178.

871424489628 is a `hidden beast` number, since 8 + 7 + 142 + 4 + 489 + 6 + 2 + 8 = 666.

It is a super-2 number, since 2×871424489628² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871424489629) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15486801 + ... + 15542967.

It is an arithmetic number, because the mean of its divisors is an integer number (9915898720).

Almost surely, 2^871424489628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871424489628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1427889415680).

871424489628 is an abundant number, since it is smaller than the sum of its proper divisors (1984354341732).

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

871424489628 is a wasteful number, since it uses less digits than its factorization.

871424489628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56417 (or 56412 counting only the distinct ones).

The product of its digits is 49545216, while the sum is 63.

The spelling of 871424489628 in words is "eight hundred seventy-one billion, four hundred twenty-four million, four hundred eighty-nine thousand, six hundred twenty-eight".