873440568 has 192 divisors, whose sum is σ = 3176409600. Its totient is φ = 209399040.

The previous prime is 873440551. The next prime is 873440573. The reversal of 873440568 is 865044378.

873440568 is a `hidden beast` number, since 87 + 3 + 4 + 4 + 0 + 568 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66013 + ... + 78131.

It is an arithmetic number, because the mean of its divisors is an integer number (16543800).

Almost surely, 2^873440568 is an apocalyptic number.

873440568 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 873440568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1588204800).

873440568 is an abundant number, since it is smaller than the sum of its proper divisors (2302969032).

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

873440568 is a wasteful number, since it uses less digits than its factorization.

873440568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12162 (or 12155 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 873440568 is about 29554.0279488262. The cubic root of 873440568 is about 955.8970466211.

The spelling of 873440568 in words is "eight hundred seventy-three million, four hundred forty thousand, five hundred sixty-eight".