798809280 has 224 divisors, whose sum is σ = 2670438144. Its totient is φ = 202051584.

The previous prime is 798809261. The next prime is 798809281. The reversal of 798809280 is 82908897.

It is not an unprimeable number, because it can be changed into a prime (798809281) 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, 1527099 + ... + 1527621.

Almost surely, 2^798809280 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 798809280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1335219072).

798809280 is an abundant number, since it is smaller than the sum of its proper divisors (1871628864).

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

798809280 is a wasteful number, since it uses less digits than its factorization.

798809280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 798809280 is about 28263.2142545748. The cubic root of 798809280 is about 927.8569686416.

The spelling of 798809280 in words is "seven hundred ninety-eight million, eight hundred nine thousand, two hundred eighty".