873405898500 has 192 divisors, whose sum is σ = 2793621841920. Its totient is φ = 211056278400.

The previous prime is 873405898489. The next prime is 873405898501. The reversal of 873405898500 is 5898504378.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (873405898501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10714 + ... + 1321713.

It is an arithmetic number, because the mean of its divisors is an integer number (14550113760).

Almost surely, 2^873405898500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 873405898500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1396810920960).

873405898500 is an abundant number, since it is smaller than the sum of its proper divisors (1920215943420).

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

873405898500 is a wasteful number, since it uses less digits than its factorization.

873405898500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332491 (or 1332479 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 873405898500 in words is "eight hundred seventy-three billion, four hundred five million, eight hundred ninety-eight thousand, five hundred".