798598434816 has 728 divisors, whose sum is σ = 2947965800640. Its totient is φ = 210547703808.

The previous prime is 798598434793. The next prime is 798598434847. The reversal of 798598434816 is 618434895897.

798598434816 is a `hidden beast` number, since 7 + 98 + 5 + 98 + 434 + 8 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (728).

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

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 271723075 + ... + 271726013.

Almost surely, 2^798598434816 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 798598434816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473982900320).

798598434816 is an abundant number, since it is smaller than the sum of its proper divisors (2149367365824).

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

798598434816 is an equidigital number, since it uses as much as digits as its factorization.

798598434816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001 (or 2964 counting only the distinct ones).

The product of its digits is 418037760, while the sum is 72.

The spelling of 798598434816 in words is "seven hundred ninety-eight billion, five hundred ninety-eight million, four hundred thirty-four thousand, eight hundred sixteen".