873227520 has 288 divisors, whose sum is σ = 3381920640. Its totient is φ = 211599360.

The previous prime is 873227513. The next prime is 873227521. The reversal of 873227520 is 25722378.

It is a happy number.

873227520 is a `hidden beast` number, since 87 + 32 + 27 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873227521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379012 + ... + 381308.

It is an arithmetic number, because the mean of its divisors is an integer number (11742780).

Almost surely, 2^873227520 is an apocalyptic number.

873227520 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 873227520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1690960320).

873227520 is an abundant number, since it is smaller than the sum of its proper divisors (2508693120).

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

873227520 is a wasteful number, since it uses less digits than its factorization.

873227520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 873227520 is about 29550.4233472213. The cubic root of 873227520 is about 955.8193200908.

Adding to 873227520 its reverse (25722378), we get a palindrome (898949898).

The spelling of 873227520 in words is "eight hundred seventy-three million, two hundred twenty-seven thousand, five hundred twenty".