798804575820 has 384 divisors, whose sum is σ = 2706039705600. Its totient is φ = 194808582144.

The previous prime is 798804575819. The next prime is 798804575861. The reversal of 798804575820 is 28575408897.

798804575820 is a `hidden beast` number, since 7 + 9 + 8 + 8 + 0 + 45 + 7 + 582 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 448010649 + ... + 448012431.

It is an arithmetic number, because the mean of its divisors is an integer number (7046978400).

Almost surely, 2^798804575820 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 798804575820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353019852800).

798804575820 is an abundant number, since it is smaller than the sum of its proper divisors (1907235129780).

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

798804575820 is a wasteful number, since it uses less digits than its factorization.

798804575820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174 (or 3166 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 63.

The spelling of 798804575820 in words is "seven hundred ninety-eight billion, eight hundred four million, five hundred seventy-five thousand, eight hundred twenty".