804212078880 has 384 divisors, whose sum is σ = 3180048076800. Its totient is φ = 166573338624.

The previous prime is 804212078843. The next prime is 804212078881. The reversal of 804212078880 is 88870212408.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (804212078881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1194466 + ... + 1742174.

It is an arithmetic number, because the mean of its divisors is an integer number (8281375200).

Almost surely, 2^804212078880 is an apocalyptic number.

804212078880 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 804212078880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1590024038400).

804212078880 is an abundant number, since it is smaller than the sum of its proper divisors (2375835997920).

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

804212078880 is a wasteful number, since it uses less digits than its factorization.

804212078880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547776 (or 547768 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 48.

The spelling of 804212078880 in words is "eight hundred four billion, two hundred twelve million, seventy-eight thousand, eight hundred eighty".