873802827520 has 144 divisors (see below), whose sum is σ = 2394860448960. Its totient is φ = 299235704832.

The previous prime is 873802827497. The next prime is 873802827523. The reversal of 873802827520 is 25728208378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873802827523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7585716 + ... + 7700044.

It is an arithmetic number, because the mean of its divisors is an integer number (16630975340).

Almost surely, 2^873802827520 is an apocalyptic number.

873802827520 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 873802827520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197430224480).

873802827520 is an abundant number, since it is smaller than the sum of its proper divisors (1521057621440).

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

873802827520 is a wasteful number, since it uses less digits than its factorization.

873802827520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115210 (or 115196 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 873802827520 in words is "eight hundred seventy-three billion, eight hundred two million, eight hundred twenty-seven thousand, five hundred twenty".