873118720 has 88 divisors (see below), whose sum is σ = 2162418048. Its totient is φ = 337920000.

The previous prime is 873118699. The next prime is 873118721. The reversal of 873118720 is 27811378.

It is a self number, because there is not a number n which added to its sum of digits gives 873118720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873118721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155970 + ... + 161470.

Almost surely, 2^873118720 is an apocalyptic number.

873118720 is a gapful number since it is divisible by the number (80) 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 873118720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081209024).

873118720 is an abundant number, since it is smaller than the sum of its proper divisors (1289299328).

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

873118720 is a wasteful number, since it uses less digits than its factorization.

873118720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557 (or 5539 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 873118720 is about 29548.5823687026. The cubic root of 873118720 is about 955.7796215933.

The spelling of 873118720 in words is "eight hundred seventy-three million, one hundred eighteen thousand, seven hundred twenty".