873671568 has 120 divisors (see below), whose sum is σ = 2864236320. Its totient is φ = 226920960.

The previous prime is 873671563. The next prime is 873671569. The reversal of 873671568 is 865176378.

It is a self number, because there is not a number n which added to its sum of digits gives 873671568.

It is not an unprimeable number, because it can be changed into a prime (873671563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8988 + ... + 42756.

It is an arithmetic number, because the mean of its divisors is an integer number (23868636).

Almost surely, 2^873671568 is an apocalyptic number.

873671568 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 873671568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432118160).

873671568 is an abundant number, since it is smaller than the sum of its proper divisors (1990564752).

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

873671568 is a wasteful number, since it uses less digits than its factorization.

873671568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33805 (or 33792 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The square root of 873671568 is about 29557.9357871960. The cubic root of 873671568 is about 955.9813083184.

The spelling of 873671568 in words is "eight hundred seventy-three million, six hundred seventy-one thousand, five hundred sixty-eight".