798788628 has 108 divisors (see below), whose sum is σ = 2288150592. Its totient is φ = 241969680.

The previous prime is 798788623. The next prime is 798788629. The reversal of 798788628 is 826887897.

It is a tau number, because it is divible by the number of its divisors (108).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798788621) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 287301 + ... + 290067.

Almost surely, 2^798788628 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 798788628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1144075296).

798788628 is an abundant number, since it is smaller than the sum of its proper divisors (1489361964).

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

798788628 is a wasteful number, since it uses less digits than its factorization.

798788628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806 (or 2783 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 63.

The square root of 798788628 is about 28262.8489009866. The cubic root of 798788628 is about 927.8489724621.

The spelling of 798788628 in words is "seven hundred ninety-eight million, seven hundred eighty-eight thousand, six hundred twenty-eight".