798278906880 has 2816 divisors, whose sum is σ = 3803214643200. Its totient is φ = 154156400640.

The previous prime is 798278906861. The next prime is 798278906897. The reversal of 798278906880 is 88609872897.

It is a happy number.

It is a super-2 number, since 2×798278906880² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 798278906799 and 798278906808.

It is a congruent number.

It is an unprimeable number.

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 255 ways as a sum of consecutive naturals, for example, 8969425876 + ... + 8969425964.

Almost surely, 2^798278906880 is an apocalyptic number.

798278906880 is a gapful number since it is divisible by the number (70) 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 798278906880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1901607321600).

798278906880 is an abundant number, since it is smaller than the sum of its proper divisors (3004935736320).

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

798278906880 is a wasteful number, since it uses less digits than its factorization.

798278906880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 72.

The spelling of 798278906880 in words is "seven hundred ninety-eight billion, two hundred seventy-eight million, nine hundred six thousand, eight hundred eighty".